160651491 has 64 divisors (see below), whose sum is σ = 292647936. Its totient is φ = 75686400.

The previous prime is 160651453. The next prime is 160651501. The reversal of 160651491 is 194156061.

160651491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 160651491 - 2⁷ = 160651363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (160651091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182745 + ... + 183621.

It is an arithmetic number, because the mean of its divisors is an integer number (4572624).

Almost surely, 2^160651491 is an apocalyptic number.

160651491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

160651491 is a deficient number, since it is larger than the sum of its proper divisors (131996445).

160651491 is a wasteful number, since it uses less digits than its factorization.

160651491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 160651491 is about 12674.8369220278. The cubic root of 160651491 is about 543.6193665838.

The spelling of 160651491 in words is "one hundred sixty million, six hundred fifty-one thousand, four hundred ninety-one".