15442166906 has 16 divisors (see below), whose sum is σ = 24120685440. Its totient is φ = 7405465200.

The previous prime is 15442166891. The next prime is 15442166917. The reversal of 15442166906 is 60966124451.

15442166906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15442166906² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 872846 + ... + 890361.

It is an arithmetic number, because the mean of its divisors is an integer number (1507542840).

Almost surely, 2^15442166906 is an apocalyptic number.

15442166906 is a deficient number, since it is larger than the sum of its proper divisors (8678518534).

15442166906 is a wasteful number, since it uses less digits than its factorization.

15442166906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763389.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 15442166906 in words is "fifteen billion, four hundred forty-two million, one hundred sixty-six thousand, nine hundred six".