32161164 has 24 divisors (see below), whose sum is σ = 85763328. Its totient is φ = 9188880.

The previous prime is 32161159. The next prime is 32161169. The reversal of 32161164 is 46116123.

It is an interprime number because it is at equal distance from previous prime (32161159) and next prime (32161169).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191352 + ... + 191519.

It is an arithmetic number, because the mean of its divisors is an integer number (3573472).

Almost surely, 2^32161164 is an apocalyptic number.

It is an amenable number.

32161164 is an abundant number, since it is smaller than the sum of its proper divisors (53602164).

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

32161164 is a wasteful number, since it uses less digits than its factorization.

32161164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382885 (or 382883 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 32161164 is about 5671.0813783616. The cubic root of 32161164 is about 318.0123012527.

Adding to 32161164 its reverse (46116123), we get a palindrome (78277287).

The spelling of 32161164 in words is "thirty-two million, one hundred sixty-one thousand, one hundred sixty-four".