61216091273160 has 384 divisors, whose sum is σ = 211583180540160. Its totient is φ = 15296440320000.

The previous prime is 61216091273111. The next prime is 61216091273179. The reversal of 61216091273160 is 6137219061216.

61216091273160 is a `hidden beast` number, since 6 + 1 + 2 + 1 + 609 + 1 + 2 + 7 + 31 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2914902660 + ... + 2914923660.

It is an arithmetic number, because the mean of its divisors is an integer number (550997865990).

Almost surely, 2^{61216091273160} is an apocalyptic number.

61216091273160 is a gapful number since it is divisible by the number (60) 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 61216091273160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105791590270080).

61216091273160 is an abundant number, since it is smaller than the sum of its proper divisors (150367089267000).

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

61216091273160 is a wasteful number, since it uses less digits than its factorization.

61216091273160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23109 (or 23102 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 61216091273160 in words is "sixty-one trillion, two hundred sixteen billion, ninety-one million, two hundred seventy-three thousand, one hundred sixty".