160032551 has 16 divisors (see below), whose sum is σ = 191308800. Its totient is φ = 131136984.

The previous prime is 160032547. The next prime is 160032557. The reversal of 160032551 is 155230061.

It is not a de Polignac number, because 160032551 - 2² = 160032547 is a prime.

It is a super-2 number, since 2×160032551² = 51220834759135202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160032557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84230 + ... + 86108.

It is an arithmetic number, because the mean of its divisors is an integer number (11956800).

Almost surely, 2^160032551 is an apocalyptic number.

160032551 is a deficient number, since it is larger than the sum of its proper divisors (31276249).

160032551 is an frugal number, since it uses more digits than its factorization.

160032551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 160032551 is about 12650.3972664893. The cubic root of 160032551 is about 542.9203362426.

The spelling of 160032551 in words is "one hundred sixty million, thirty-two thousand, five hundred fifty-one".