10640464154 has 8 divisors (see below), whose sum is σ = 15961139508. Its totient is φ = 5320084320.

The previous prime is 10640464147. The next prime is 10640464183. The reversal of 10640464154 is 45146404601.

It can be written as a sum of positive squares in 2 ways, for example, as 8663327929 + 1977136225 = 93077^2 + 44465^2 .

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

It is a super-2 number, since 2×10640464154² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81464 + ... + 167084.

Almost surely, 2^10640464154 is an apocalyptic number.

10640464154 is a deficient number, since it is larger than the sum of its proper divisors (5320675354).

10640464154 is an equidigital number, since it uses as much as digits as its factorization.

10640464154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147760.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 10640464154 its reverse (45146404601), we get a palindrome (55786868755).

The spelling of 10640464154 in words is "ten billion, six hundred forty million, four hundred sixty-four thousand, one hundred fifty-four".