36894229680816 has 60 divisors (see below), whose sum is σ = 103253966612368. Its totient is φ = 12297913921152.

The previous prime is 36894229680809. The next prime is 36894229680853. The reversal of 36894229680816 is 61808692249863.

It is a happy number.

36894229680816 is a `hidden beast` number, since 3 + 68 + 9 + 422 + 9 + 68 + 0 + 81 + 6 = 666.

It is a super-2 number, since 2×36894229680816² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9487686 + ... + 12798618.

Almost surely, 2^{36894229680816} is an apocalyptic number.

36894229680816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36894229680816 is an abundant number, since it is smaller than the sum of its proper divisors (66359736931552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36894229680816 is a wasteful number, since it uses less digits than its factorization.

36894229680816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388330 (or 3388321 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 72.

The spelling of 36894229680816 in words is "thirty-six trillion, eight hundred ninety-four billion, two hundred twenty-nine million, six hundred eighty thousand, eight hundred sixteen".