161164833910 has 32 divisors (see below), whose sum is σ = 299842497792. Its totient is φ = 62305587840.

The previous prime is 161164833889. The next prime is 161164833917. The reversal of 161164833910 is 19338461161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161164833917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96649 + ... + 575908.

It is an arithmetic number, because the mean of its divisors is an integer number (9370078056).

Almost surely, 2^161164833910 is an apocalyptic number.

161164833910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161164833910 is a deficient number, since it is larger than the sum of its proper divisors (138677663882).

161164833910 is a wasteful number, since it uses less digits than its factorization.

161164833910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673368.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 161164833910 in words is "one hundred sixty-one billion, one hundred sixty-four million, eight hundred thirty-three thousand, nine hundred ten".