61512330166 has 32 divisors (see below), whose sum is σ = 105746755392. Its totient is φ = 26288271360.

The previous prime is 61512330127. The next prime is 61512330193. The reversal of 61512330166 is 66103321516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8567170 + ... + 8574346.

It is an arithmetic number, because the mean of its divisors is an integer number (3304586106).

Almost surely, 2^61512330166 is an apocalyptic number.

61512330166 is a deficient number, since it is larger than the sum of its proper divisors (44234425226).

61512330166 is a wasteful number, since it uses less digits than its factorization.

61512330166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 61512330166 in words is "sixty-one billion, five hundred twelve million, three hundred thirty thousand, one hundred sixty-six".