165376137446 has 32 divisors (see below), whose sum is σ = 283834575360. Its totient is φ = 71634394656.

The previous prime is 165376137403. The next prime is 165376137457. The reversal of 165376137446 is 644731673561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511486 + ... + 1617201.

It is an arithmetic number, because the mean of its divisors is an integer number (8869830480).

Almost surely, 2^165376137446 is an apocalyptic number.

165376137446 is a deficient number, since it is larger than the sum of its proper divisors (118458437914).

165376137446 is a wasteful number, since it uses less digits than its factorization.

165376137446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128828.

The product of its digits is 7620480, while the sum is 53.

The spelling of 165376137446 in words is "one hundred sixty-five billion, three hundred seventy-six million, one hundred thirty-seven thousand, four hundred forty-six".