161914850 has 24 divisors (see below), whose sum is σ = 302980608. Its totient is φ = 64374800.

The previous prime is 161914847. The next prime is 161914897. The reversal of 161914850 is 58419161.

It is a self number, because there is not a number n which added to its sum of digits gives 161914850.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1346 + ... + 18045.

It is an arithmetic number, because the mean of its divisors is an integer number (12624192).

Almost surely, 2^161914850 is an apocalyptic number.

161914850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161914850 is a deficient number, since it is larger than the sum of its proper divisors (141065758).

161914850 is a wasteful number, since it uses less digits than its factorization.

161914850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19570 (or 19565 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 161914850 is about 12724.5766137817. The cubic root of 161914850 is about 545.0406501116.

The spelling of 161914850 in words is "one hundred sixty-one million, nine hundred fourteen thousand, eight hundred fifty".