68549416090 has 32 divisors (see below), whose sum is σ = 126722776320. Its totient is φ = 26688120000.

The previous prime is 68549416069. The next prime is 68549416099. The reversal of 68549416090 is 9061494586.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68549416099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515586 + ... + 634765.

It is an arithmetic number, because the mean of its divisors is an integer number (3960086760).

Almost surely, 2^68549416090 is an apocalyptic number.

68549416090 is a deficient number, since it is larger than the sum of its proper divisors (58173360230).

68549416090 is a wasteful number, since it uses less digits than its factorization.

68549416090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150518.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 68549416090 in words is "sixty-eight billion, five hundred forty-nine million, four hundred sixteen thousand, ninety".