161025883758372 has 96 divisors (see below), whose sum is σ = 398845493811072. Its totient is φ = 50388949794816.

The previous prime is 161025883758371. The next prime is 161025883758409. The reversal of 161025883758372 is 273857388520161.

It is a happy number.

161025883758372 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161025883758371) 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, 138903483 + ... + 140057949.

It is an arithmetic number, because the mean of its divisors is an integer number (4154640560532).

Almost surely, 2^{161025883758372} is an apocalyptic number.

161025883758372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161025883758372 is an abundant number, since it is smaller than the sum of its proper divisors (237819610052700).

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

161025883758372 is a wasteful number, since it uses less digits than its factorization.

161025883758372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156237 (or 1156235 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 66.

The spelling of 161025883758372 in words is "one hundred sixty-one trillion, twenty-five billion, eight hundred eighty-three million, seven hundred fifty-eight thousand, three hundred seventy-two".