10660154993 has 2 divisors, whose sum is σ = 10660154994. Its totient is φ = 10660154992.

The previous prime is 10660154969. The next prime is 10660155007. The reversal of 10660154993 is 39945106601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8996901904 + 1663253089 = 94852^2 + 40783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10660154993 is a prime.

It is a super-2 number, since 2×10660154993² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10660154903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330077496 + 5330077497.

It is an arithmetic number, because the mean of its divisors is an integer number (5330077497).

Almost surely, 2^10660154993 is an apocalyptic number.

It is an amenable number.

10660154993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10660154993 is an equidigital number, since it uses as much as digits as its factorization.

10660154993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 10660154993 in words is "ten billion, six hundred sixty million, one hundred fifty-four thousand, nine hundred ninety-three".