161418500376 has 64 divisors (see below), whose sum is σ = 462564410880. Its totient is φ = 45982702080.

The previous prime is 161418500329. The next prime is 161418500381. The reversal of 161418500376 is 673005814161.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368940 + ... + 1482171.

It is an arithmetic number, because the mean of its divisors is an integer number (7227568920).

Almost surely, 2^161418500376 is an apocalyptic number.

It is an amenable number.

161418500376 is an abundant number, since it is smaller than the sum of its proper divisors (301145910504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161418500376 is a wasteful number, since it uses less digits than its factorization.

161418500376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851464 (or 2851460 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 161418500376 in words is "one hundred sixty-one billion, four hundred eighteen million, five hundred thousand, three hundred seventy-six".