161537466 has 32 divisors (see below), whose sum is σ = 338093568. Its totient is φ = 51390720.

The previous prime is 161537461. The next prime is 161537473. The reversal of 161537466 is 664735161.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161537461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630 + ... + 19526.

It is an arithmetic number, because the mean of its divisors is an integer number (10565424).

Almost surely, 2^161537466 is an apocalyptic number.

161537466 is an abundant number, since it is smaller than the sum of its proper divisors (176556102).

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

161537466 is a wasteful number, since it uses less digits than its factorization.

161537466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006.

The product of its digits is 90720, while the sum is 39.

The square root of 161537466 is about 12709.7390217109. The cubic root of 161537466 is about 544.6168684510.

The spelling of 161537466 in words is "one hundred sixty-one million, five hundred thirty-seven thousand, four hundred sixty-six".