660908583051 has 8 divisors (see below), whose sum is σ = 881216086224. Its totient is φ = 440603400960.

The previous prime is 660908583001. The next prime is 660908583113. The reversal of 660908583051 is 150385809066.

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

It is not a de Polignac number, because 660908583051 - 2¹⁵ = 660908550283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660908582985 and 660908583003.

It is not an unprimeable number, because it can be changed into a prime (660908583001) 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, 256515 + ... + 1177971.

It is an arithmetic number, because the mean of its divisors is an integer number (110152010778).

Almost surely, 2^660908583051 is an apocalyptic number.

660908583051 is a deficient number, since it is larger than the sum of its proper divisors (220307503173).

660908583051 is a wasteful number, since it uses less digits than its factorization.

660908583051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160541.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 660908583051 in words is "six hundred sixty billion, nine hundred eight million, five hundred eighty-three thousand, fifty-one".