61683897174 has 16 divisors (see below), whose sum is σ = 123374568960. Its totient is φ = 20560169960.

The previous prime is 61683897109. The next prime is 61683897181. The reversal of 61683897174 is 47179838616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159822 + ... + 385889.

It is an arithmetic number, because the mean of its divisors is an integer number (7710910560).

Almost surely, 2^61683897174 is an apocalyptic number.

61683897174 is an abundant number, since it is smaller than the sum of its proper divisors (61690671786).

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

61683897174 is a wasteful number, since it uses less digits than its factorization.

61683897174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564555.

The product of its digits is 12192768, while the sum is 60.

The spelling of 61683897174 in words is "sixty-one billion, six hundred eighty-three million, eight hundred ninety-seven thousand, one hundred seventy-four".