32160621045 has 24 divisors (see below), whose sum is σ = 59858136864. Its totient is φ = 14701997856.

The previous prime is 32160621041. The next prime is 32160621049. The reversal of 32160621045 is 54012606123.

It is an interprime number because it is at equal distance from previous prime (32160621041) and next prime (32160621049).

It is not a de Polignac number, because 32160621045 - 2² = 32160621041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32160621041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21877239 + ... + 21878708.

It is an arithmetic number, because the mean of its divisors is an integer number (2494089036).

Almost surely, 2^32160621045 is an apocalyptic number.

32160621045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32160621045 is a deficient number, since it is larger than the sum of its proper divisors (27697515819).

32160621045 is a wasteful number, since it uses less digits than its factorization.

32160621045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43755969 (or 43755962 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 32160621045 in words is "thirty-two billion, one hundred sixty million, six hundred twenty-one thousand, forty-five".