1938759166906 has 16 divisors (see below), whose sum is σ = 3034618893504. Its totient is φ = 927220628224.

The previous prime is 1938759166891. The next prime is 1938759166931. The reversal of 1938759166906 is 6096619578391.

It is a super-2 number, since 2×1938759166906² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051065 + ... + 4504291.

It is an arithmetic number, because the mean of its divisors is an integer number (189663680844).

Almost surely, 2^{1938759166906} is an apocalyptic number.

1938759166906 is a deficient number, since it is larger than the sum of its proper divisors (1095859726598).

1938759166906 is a wasteful number, since it uses less digits than its factorization.

1938759166906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546245.

The product of its (nonzero) digits is 132269760, while the sum is 70.

The spelling of 1938759166906 in words is "one trillion, nine hundred thirty-eight billion, seven hundred fifty-nine million, one hundred sixty-six thousand, nine hundred six".