15461316664 has 8 divisors (see below), whose sum is σ = 28989968760. Its totient is φ = 7730658328.

The previous prime is 15461316641. The next prime is 15461316763. The reversal of 15461316664 is 46661316451.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 15461316664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966332284 + ... + 966332299.

It is an arithmetic number, because the mean of its divisors is an integer number (3623746095).

Almost surely, 2^15461316664 is an apocalyptic number.

It is an amenable number.

15461316664 is a deficient number, since it is larger than the sum of its proper divisors (13528652096).

15461316664 is a wasteful number, since it uses less digits than its factorization.

15461316664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932664589 (or 1932664585 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The spelling of 15461316664 in words is "fifteen billion, four hundred sixty-one million, three hundred sixteen thousand, six hundred sixty-four".