161606106154976 has 48 divisors (see below), whose sum is σ = 385002782319456. Its totient is φ = 65185656262656.

The previous prime is 161606106154943. The next prime is 161606106155047. The reversal of 161606106154976 is 679451601606161.

161606106154976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161606106154976² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21219285341 + ... + 21219292956.

It is an arithmetic number, because the mean of its divisors is an integer number (8020891298322).

Almost surely, 2^{161606106154976} is an apocalyptic number.

161606106154976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161606106154976 is an abundant number, since it is smaller than the sum of its proper divisors (223396676164480).

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

161606106154976 is a wasteful number, since it uses less digits than its factorization.

161606106154976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42438578331 (or 42438578323 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 161606106154976 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred six million, one hundred fifty-four thousand, nine hundred seventy-six".