10660154991 has 8 divisors (see below), whose sum is σ = 14961621120. Its totient is φ = 6732729432.

The previous prime is 10660154969. The next prime is 10660154993. The reversal of 10660154991 is 19945106601.

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

It is not a de Polignac number, because 10660154991 - 2⁵ = 10660154959 is a prime.

It is a super-2 number, since 2×10660154991² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10660154993) 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, 93510075 + ... + 93510188.

It is an arithmetic number, because the mean of its divisors is an integer number (1870202640).

Almost surely, 2^10660154991 is an apocalyptic number.

10660154991 is a deficient number, since it is larger than the sum of its proper divisors (4301466129).

10660154991 is a wasteful number, since it uses less digits than its factorization.

10660154991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187020285.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 10660154991 in words is "ten billion, six hundred sixty million, one hundred fifty-four thousand, nine hundred ninety-one".