10140555658 has 8 divisors (see below), whose sum is σ = 16105588452. Its totient is φ = 4772026176.

The previous prime is 10140555643. The next prime is 10140555661. The reversal of 10140555658 is 85655504101.

It can be written as a sum of positive squares in 2 ways, for example, as 10107688369 + 32867289 = 100537^2 + 5733^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10140555658.

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, 149125785 + ... + 149125852.

Almost surely, 2^10140555658 is an apocalyptic number.

10140555658 is a deficient number, since it is larger than the sum of its proper divisors (5965032794).

10140555658 is a wasteful number, since it uses less digits than its factorization.

10140555658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298251656.

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 10140555658 in words is "ten billion, one hundred forty million, five hundred fifty-five thousand, six hundred fifty-eight".