61942326018 has 32 divisors (see below), whose sum is σ = 131670988800. Its totient is φ = 19370820816.

The previous prime is 61942326013. The next prime is 61942326059. The reversal of 61942326018 is 81062324916.

It is not an unprimeable number, because it can be changed into a prime (61942326013) 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, 2625898 + ... + 2649381.

It is an arithmetic number, because the mean of its divisors is an integer number (4114718400).

Almost surely, 2^61942326018 is an apocalyptic number.

61942326018 is an abundant number, since it is smaller than the sum of its proper divisors (69728662782).

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

61942326018 is a wasteful number, since it uses less digits than its factorization.

61942326018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275406.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 61942326018 in words is "sixty-one billion, nine hundred forty-two million, three hundred twenty-six thousand, eighteen".