161257673006 has 32 divisors (see below), whose sum is σ = 256149289440. Its totient is φ = 76007627136.

The previous prime is 161257672997. The next prime is 161257673009. The reversal of 161257673006 is 600376752161.

161257673006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161257673009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6964160 + ... + 6987276.

It is an arithmetic number, because the mean of its divisors is an integer number (8004665295).

Almost surely, 2^161257673006 is an apocalyptic number.

161257673006 is a deficient number, since it is larger than the sum of its proper divisors (94891616434).

161257673006 is a wasteful number, since it uses less digits than its factorization.

161257673006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25988.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 161257673006 in words is "one hundred sixty-one billion, two hundred fifty-seven million, six hundred seventy-three thousand, six".