83169647040 has 224 divisors, whose sum is σ = 272968151040. Its totient is φ = 21432729600.

The previous prime is 83169646999. The next prime is 83169647087. The reversal of 83169647040 is 4074696138.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27347920 + ... + 27350960.

Almost surely, 2^83169647040 is an apocalyptic number.

83169647040 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 83169647040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136484075520).

83169647040 is an abundant number, since it is smaller than the sum of its proper divisors (189798504000).

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

83169647040 is a wasteful number, since it uses less digits than its factorization.

83169647040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 83169647040 in words is "eighty-three billion, one hundred sixty-nine million, six hundred forty-seven thousand, forty".