161606061616054 has 32 divisors (see below), whose sum is σ = 265135011056640. Its totient is φ = 73266083956800.

The previous prime is 161606061616033. The next prime is 161606061616157. The reversal of 161606061616054 is 450616160606161.

It is a super-2 number, since 2×161606061616054² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161606061615989 and 161606061616007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31047207 + ... + 35876749.

It is an arithmetic number, because the mean of its divisors is an integer number (8285469095520).

Almost surely, 2^{161606061616054} is an apocalyptic number.

161606061616054 is a deficient number, since it is larger than the sum of its proper divisors (103528949440586).

161606061616054 is a wasteful number, since it uses less digits than its factorization.

161606061616054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833516.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 161606061616054 in words is "one hundred sixty-one trillion, six hundred six billion, sixty-one million, six hundred sixteen thousand, fifty-four".