161734850 has 24 divisors (see below), whose sum is σ = 313908480. Its totient is φ = 61880720.

The previous prime is 161734847. The next prime is 161734877. The reversal of 161734850 is 58437161.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 161734850.

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, 69170 + ... + 71469.

It is an arithmetic number, because the mean of its divisors is an integer number (13079520).

Almost surely, 2^161734850 is an apocalyptic number.

161734850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161734850 is a deficient number, since it is larger than the sum of its proper divisors (152173630).

161734850 is a wasteful number, since it uses less digits than its factorization.

161734850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140674 (or 140669 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 161734850 is about 12717.5017200707. The cubic root of 161734850 is about 544.8386021532.

The spelling of 161734850 in words is "one hundred sixty-one million, seven hundred thirty-four thousand, eight hundred fifty".