161422002674 has 32 divisors (see below), whose sum is σ = 262505727936. Its totient is φ = 74167188480.

The previous prime is 161422002671. The next prime is 161422002719. The reversal of 161422002674 is 476200224161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (161422002671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56132 + ... + 570959.

It is an arithmetic number, because the mean of its divisors is an integer number (8203303998).

Almost surely, 2^161422002674 is an apocalyptic number.

161422002674 is a deficient number, since it is larger than the sum of its proper divisors (101083725262).

161422002674 is a wasteful number, since it uses less digits than its factorization.

161422002674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627290.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 161422002674 in words is "one hundred sixty-one billion, four hundred twenty-two million, two thousand, six hundred seventy-four".