10116493681 has 16 divisors (see below), whose sum is σ = 11748398080. Its totient is φ = 8531574480.

The previous prime is 10116493657. The next prime is 10116493687. The reversal of 10116493681 is 18639461101.

It is a cyclic number.

It is not a de Polignac number, because 10116493681 - 2⁷ = 10116493553 is a prime.

It is a super-2 number, since 2×10116493681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10116493687) 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, 390316 + ... + 415426.

It is an arithmetic number, because the mean of its divisors is an integer number (734274880).

Almost surely, 2^10116493681 is an apocalyptic number.

It is an amenable number.

10116493681 is a deficient number, since it is larger than the sum of its proper divisors (1631904399).

10116493681 is an equidigital number, since it uses as much as digits as its factorization.

10116493681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26044.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 10116493681 in words is "ten billion, one hundred sixteen million, four hundred ninety-three thousand, six hundred eighty-one".