161036482572 has 216 divisors, whose sum is σ = 484786149120. Its totient is φ = 44926660800.

The previous prime is 161036482499. The next prime is 161036482619. The reversal of 161036482572 is 275284630161.

161036482572 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 36 + 48 + 2 + 572 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15710353 + ... + 15720599.

It is an arithmetic number, because the mean of its divisors is an integer number (2244380320).

Almost surely, 2^161036482572 is an apocalyptic number.

161036482572 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 161036482572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242393074560).

161036482572 is an abundant number, since it is smaller than the sum of its proper divisors (323749666548).

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

161036482572 is a wasteful number, since it uses less digits than its factorization.

161036482572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481 (or 10469 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 161036482572 in words is "one hundred sixty-one billion, thirty-six million, four hundred eighty-two thousand, five hundred seventy-two".