161464469907 has 16 divisors (see below), whose sum is σ = 231883705760. Its totient is φ = 99346770432.

The previous prime is 161464469899. The next prime is 161464469917. The reversal of 161464469907 is 709964464161.

It is not a de Polignac number, because 161464469907 - 2³ = 161464469899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161464469917) 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, 84982 + ... + 574587.

It is an arithmetic number, because the mean of its divisors is an integer number (14492731610).

Almost surely, 2^161464469907 is an apocalyptic number.

161464469907 is a deficient number, since it is larger than the sum of its proper divisors (70419235853).

161464469907 is a wasteful number, since it uses less digits than its factorization.

161464469907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665862.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 161464469907 in words is "one hundred sixty-one billion, four hundred sixty-four million, four hundred sixty-nine thousand, nine hundred seven".