161452854610272 has 192 divisors, whose sum is σ = 475141523693760. Its totient is φ = 53334673293312.

The previous prime is 161452854610247. The next prime is 161452854610283. The reversal of 161452854610272 is 272016458254161.

161452854610272 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 5 + 28 + 546 + 1 + 0 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 69042148 + ... + 71342300.

It is an arithmetic number, because the mean of its divisors is an integer number (2474695435905).

Almost surely, 2^{161452854610272} is an apocalyptic number.

161452854610272 is a gapful number since it is divisible by the number (12) 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 161452854610272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237570761846880).

161452854610272 is an abundant number, since it is smaller than the sum of its proper divisors (313688669083488).

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

161452854610272 is a wasteful number, since it uses less digits than its factorization.

161452854610272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300902 (or 2300888 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 161452854610272 in words is "one hundred sixty-one trillion, four hundred fifty-two billion, eight hundred fifty-four million, six hundred ten thousand, two hundred seventy-two".