10499156816 has 40 divisors (see below), whose sum is σ = 20470952424. Its totient is φ = 5216440320.

The previous prime is 10499156813. The next prime is 10499156831. The reversal of 10499156816 is 61865199401.

It can be written as a sum of positive squares in 4 ways, for example, as 1398760000 + 9100396816 = 37400^2 + 95396^2 .

It is a super-2 number, since 2×10499156816² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10499156813) 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, 1684586 + ... + 1690806.

Almost surely, 2^10499156816 is an apocalyptic number.

10499156816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10499156816 is a deficient number, since it is larger than the sum of its proper divisors (9971795608).

10499156816 is a wasteful number, since it uses less digits than its factorization.

10499156816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 10499156816 in words is "ten billion, four hundred ninety-nine million, one hundred fifty-six thousand, eight hundred sixteen".