161125296946 has 16 divisors (see below), whose sum is σ = 243563314176. Its totient is φ = 79938063136.

The previous prime is 161125296923. The next prime is 161125296961. The reversal of 161125296946 is 649692521161.

It is a super-2 number, since 2×161125296946² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161125296893 and 161125296902.

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, 471495 + ... + 737941.

It is an arithmetic number, because the mean of its divisors is an integer number (15222707136).

Almost surely, 2^161125296946 is an apocalyptic number.

161125296946 is a deficient number, since it is larger than the sum of its proper divisors (82438017230).

161125296946 is a wasteful number, since it uses less digits than its factorization.

161125296946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268793.

The product of its digits is 1399680, while the sum is 52.

The spelling of 161125296946 in words is "one hundred sixty-one billion, one hundred twenty-five million, two hundred ninety-six thousand, nine hundred forty-six".