68182511494 has 16 divisors (see below), whose sum is σ = 105813734400. Its totient is φ = 32911561984.

The previous prime is 68182511447. The next prime is 68182511519. The reversal of 68182511494 is 49411528186.

It is a super-2 number, since 2×68182511494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 420342 + ... + 559510.

It is an arithmetic number, because the mean of its divisors is an integer number (6613358400).

Almost surely, 2^68182511494 is an apocalyptic number.

68182511494 is a deficient number, since it is larger than the sum of its proper divisors (37631222906).

68182511494 is a wasteful number, since it uses less digits than its factorization.

68182511494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147647.

The product of its digits is 552960, while the sum is 49.

The spelling of 68182511494 in words is "sixty-eight billion, one hundred eighty-two million, five hundred eleven thousand, four hundred ninety-four".