162561011112372 has 96 divisors (see below), whose sum is σ = 396486762706944. Its totient is φ = 51741253872000.

The previous prime is 162561011112329. The next prime is 162561011112377. The reversal of 162561011112372 is 273211110165261.

It is a super-2 number, since 2×162561011112372² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162561011112372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162561011112377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639698097 + ... + 639952167.

It is an arithmetic number, because the mean of its divisors is an integer number (4130070444864).

Almost surely, 2^{162561011112372} is an apocalyptic number.

162561011112372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162561011112372 is an abundant number, since it is smaller than the sum of its proper divisors (233925751594572).

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

162561011112372 is a wasteful number, since it uses less digits than its factorization.

162561011112372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258109 (or 258107 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 162561011112372 in words is "one hundred sixty-two trillion, five hundred sixty-one billion, eleven million, one hundred twelve thousand, three hundred seventy-two".