356999916881 has 8 divisors (see below), whose sum is σ = 368909366784. Its totient is φ = 345115049760.

The previous prime is 356999916877. The next prime is 356999916883. The reversal of 356999916881 is 188619999653.

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

It is a cyclic number.

It is not a de Polignac number, because 356999916881 - 2² = 356999916877 is a prime.

It is a super-2 number, since 2×356999916881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 356999916799 and 356999916808.

It is not an unprimeable number, because it can be changed into a prime (356999916883) 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, 6116165 + ... + 6174258.

It is an arithmetic number, because the mean of its divisors is an integer number (46113670848).

Almost surely, 2^356999916881 is an apocalyptic number.

356999916881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

356999916881 is a deficient number, since it is larger than the sum of its proper divisors (11909449903).

356999916881 is a wasteful number, since it uses less digits than its factorization.

356999916881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291391.

The product of its digits is 226748160, while the sum is 74.

The spelling of 356999916881 in words is "three hundred fifty-six billion, nine hundred ninety-nine million, nine hundred sixteen thousand, eight hundred eighty-one".