161434698 has 16 divisors (see below), whose sum is σ = 323027040. Its totient is φ = 53785296.

The previous prime is 161434667. The next prime is 161434699. The reversal of 161434698 is 896434161.

161434698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161434698² = 52122323436702408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161434699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9936 + ... + 20532.

It is an arithmetic number, because the mean of its divisors is an integer number (20189190).

Almost surely, 2^161434698 is an apocalyptic number.

161434698 is an abundant number, since it is smaller than the sum of its proper divisors (161592342).

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

161434698 is a wasteful number, since it uses less digits than its factorization.

161434698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141.

The product of its digits is 124416, while the sum is 42.

The square root of 161434698 is about 12705.6954945410. The cubic root of 161434698 is about 544.5013512671.

The spelling of 161434698 in words is "one hundred sixty-one million, four hundred thirty-four thousand, six hundred ninety-eight".