951660801 has 81 divisors (see below), whose sum is σ = 1746973449. Its totient is φ = 497532672.

The previous prime is 951660793. The next prime is 951660863. The reversal of 951660801 is 108066159.

The square root of 951660801 is 30849.

It is a perfect power (a square), and thus also a powerful number.

951660801 is a `hidden beast` number, since 9 + 516 + 60 + 80 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 710169201 + 241491600 = 26649^2 + 15540^2 .

It is not a de Polignac number, because 951660801 - 2³ = 951660793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (951660301) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 8421721 + ... + 8421833.

Almost surely, 2^951660801 is an apocalyptic number.

951660801 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

951660801 is the 30849-th square number.

951660801 is the 15425-th centered octagonal number.

It is an amenable number.

951660801 is a deficient number, since it is larger than the sum of its proper divisors (795312648).

951660801 is a wasteful number, since it uses less digits than its factorization.

951660801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The cubic root of 951660801 is about 983.6200973725.

Multiplying 951660801 by its sum of digits (36), we get a square (34259788836 = 185094²).

The spelling of 951660801 in words is "nine hundred fifty-one million, six hundred sixty thousand, eight hundred one".