161435266 has 16 divisors (see below), whose sum is σ = 246196224. Its totient is φ = 79376544.

The previous prime is 161435251. The next prime is 161435273. The reversal of 161435266 is 662534161.

161435266 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 2×161435266² = 52122690216981512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54475 + ... + 57361.

It is an arithmetic number, because the mean of its divisors is an integer number (15387264).

Almost surely, 2^161435266 is an apocalyptic number.

161435266 is a deficient number, since it is larger than the sum of its proper divisors (84760958).

161435266 is a wasteful number, since it uses less digits than its factorization.

161435266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345.

The product of its digits is 25920, while the sum is 34.

The square root of 161435266 is about 12705.7178467019. The cubic root of 161435266 is about 544.5019898667.

The spelling of 161435266 in words is "one hundred sixty-one million, four hundred thirty-five thousand, two hundred sixty-six".