1060665651 has 16 divisors (see below), whose sum is σ = 1622046720. Its totient is φ = 684299880.

The previous prime is 1060665647. The next prime is 1060665673. The reversal of 1060665651 is 1565660601.

It is not a de Polignac number, because 1060665651 - 2² = 1060665647 is a prime.

It is a super-2 number, since 2×1060665651² = 2250023246422507602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1060665601) 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, 632775 + ... + 634448.

It is an arithmetic number, because the mean of its divisors is an integer number (101377920).

Almost surely, 2^1060665651 is an apocalyptic number.

1060665651 is a deficient number, since it is larger than the sum of its proper divisors (561381069).

1060665651 is a wasteful number, since it uses less digits than its factorization.

1060665651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267263 (or 1267257 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1060665651 is about 32567.8622417868. The cubic root of 1060665651 is about 1019.8262074143.

The spelling of 1060665651 in words is "one billion, sixty million, six hundred sixty-five thousand, six hundred fifty-one".