15944167242 has 24 divisors (see below), whose sum is σ = 34887736260. Its totient is φ = 5262100800.

The previous prime is 15944167231. The next prime is 15944167273. The reversal of 15944167242 is 24276144951.

15944167242 is a `hidden beast` number, since 1 + 594 + 4 + 16 + 7 + 2 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15903984321 + 40182921 = 126111^2 + 6339^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 4383267 + ... + 4386902.

Almost surely, 2^15944167242 is an apocalyptic number.

15944167242 is an abundant number, since it is smaller than the sum of its proper divisors (18943569018).

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

15944167242 is a wasteful number, since it uses less digits than its factorization.

15944167242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770278 (or 8770275 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 15944167242 in words is "fifteen billion, nine hundred forty-four million, one hundred sixty-seven thousand, two hundred forty-two".