15969977048 has 16 divisors (see below), whose sum is σ = 29958731280. Its totient is φ = 7980982048.

The previous prime is 15969977047. The next prime is 15969977053. The reversal of 15969977048 is 84077996951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15969977047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483836 + ... + 515787.

It is an arithmetic number, because the mean of its divisors is an integer number (1872420705).

Almost surely, 2^15969977048 is an apocalyptic number.

It is an amenable number.

15969977048 is a deficient number, since it is larger than the sum of its proper divisors (13988754232).

15969977048 is a wasteful number, since it uses less digits than its factorization.

15969977048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001626 (or 1001622 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 65.

The spelling of 15969977048 in words is "fifteen billion, nine hundred sixty-nine million, nine hundred seventy-seven thousand, forty-eight".