161976627 has 6 divisors (see below), whose sum is σ = 233966252. Its totient is φ = 107984412.

The previous prime is 161976583. The next prime is 161976677. The reversal of 161976627 is 726679161.

It is a happy number.

161976627 is a `hidden beast` number, since 1 + 6 + 19 + 7 + 6 + 627 = 666.

161976627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161976627 - 2⁸ = 161976371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161976677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8998693 + ... + 8998710.

Almost surely, 2^161976627 is an apocalyptic number.

161976627 is a deficient number, since it is larger than the sum of its proper divisors (71989625).

161976627 is a wasteful number, since it uses less digits than its factorization.

161976627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17997409 (or 17997406 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 161976627 is about 12727.0038500819. The cubic root of 161976627 is about 545.1099595766.

The spelling of 161976627 in words is "one hundred sixty-one million, nine hundred seventy-six thousand, six hundred twenty-seven".