161137070 has 16 divisors (see below), whose sum is σ = 299403648. Its totient is φ = 62375520.

The previous prime is 161137069. The next prime is 161137091. The reversal of 161137070 is 70731161.

161137070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 259589 + ... + 260208.

It is an arithmetic number, because the mean of its divisors is an integer number (18712728).

Almost surely, 2^161137070 is an apocalyptic number.

161137070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161137070 is a deficient number, since it is larger than the sum of its proper divisors (138266578).

161137070 is a wasteful number, since it uses less digits than its factorization.

161137070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519835.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 161137070 is about 12693.9777059833. The cubic root of 161137070 is about 544.1665233249.

The spelling of 161137070 in words is "one hundred sixty-one million, one hundred thirty-seven thousand, seventy".