61904240916 has 24 divisors (see below), whose sum is σ = 165077976000. Its totient is φ = 17686925952.

The previous prime is 61904240903. The next prime is 61904240921.

61904240916 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368477541 + ... + 368477708.

It is an arithmetic number, because the mean of its divisors is an integer number (6878249000).

Almost surely, 2^61904240916 is an apocalyptic number.

It is an amenable number.

61904240916 is an abundant number, since it is smaller than the sum of its proper divisors (103173735084).

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

61904240916 is a wasteful number, since it uses less digits than its factorization.

61904240916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736955263 (or 736955261 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 61904240916 in words is "sixty-one billion, nine hundred four million, two hundred forty thousand, nine hundred sixteen".