91632151 has 8 divisors (see below), whose sum is σ = 99459584. Its totient is φ = 83916000.

The previous prime is 91632127. The next prime is 91632157. The reversal of 91632151 is 15123619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91632151 - 2⁵ = 91632119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91632157) 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, 26100 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (12432448).

Almost surely, 2^91632151 is an apocalyptic number.

91632151 is a deficient number, since it is larger than the sum of its proper divisors (7827433).

91632151 is a wasteful number, since it uses less digits than its factorization.

91632151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55641.

The product of its digits is 1620, while the sum is 28.

The square root of 91632151 is about 9572.4683859494. The cubic root of 91632151 is about 450.8332725239.

The spelling of 91632151 in words is "ninety-one million, six hundred thirty-two thousand, one hundred fifty-one".