67997611354 has 16 divisors (see below), whose sum is σ = 105495989760. Its totient is φ = 32836643280.

The previous prime is 67997611343. The next prime is 67997611379. The reversal of 67997611354 is 45311679976.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059009 + ... + 1121380.

It is an arithmetic number, because the mean of its divisors is an integer number (6593499360).

Almost surely, 2^67997611354 is an apocalyptic number.

67997611354 is a deficient number, since it is larger than the sum of its proper divisors (37498378406).

67997611354 is a wasteful number, since it uses less digits than its factorization.

67997611354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180925.

The product of its digits is 8573040, while the sum is 58.

The spelling of 67997611354 in words is "sixty-seven billion, nine hundred ninety-seven million, six hundred eleven thousand, three hundred fifty-four".