161145676 has 6 divisors (see below), whose sum is σ = 282004940. Its totient is φ = 80572836.

The previous prime is 161145667. The next prime is 161145683. The reversal of 161145676 is 676541161.

161145676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20143206 + ... + 20143213.

Almost surely, 2^161145676 is an apocalyptic number.

It is an amenable number.

161145676 is a deficient number, since it is larger than the sum of its proper divisors (120859264).

161145676 is a wasteful number, since it uses less digits than its factorization.

161145676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40286423 (or 40286421 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 161145676 is about 12694.3166810979. The cubic root of 161145676 is about 544.1762107579.

The spelling of 161145676 in words is "one hundred sixty-one million, one hundred forty-five thousand, six hundred seventy-six".