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85160880000 = 273254761277
BaseRepresentation
bin100111101001111111…
…0111110011110000000
322010211000012221102200
41033103332332132000
52343402141130000
6103042233113200
76103236351660
oct1172376763600
9263730187380
1085160880000
1133131107669
1214608258800
138052401871
14419c3581a0
152336603500
hex13d3fbe780

85160880000 has 960 divisors, whose sum is σ = 356994100320. Its totient is φ = 19077120000.

The previous prime is 85160879989. The next prime is 85160880023. The reversal of 85160880000 is 8806158.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 307439862 + ... + 307440138.

Almost surely, 285160880000 is an apocalyptic number.

85160880000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85160880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178497050160).

85160880000 is an abundant number, since it is smaller than the sum of its proper divisors (271833220320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85160880000 is a wasteful number, since it uses less digits than its factorization.

85160880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 85160880000 in words is "eighty-five billion, one hundred sixty million, eight hundred eighty thousand".