69166055994 has 16 divisors (see below), whose sum is σ = 158093842368. Its totient is φ = 19761730272.

The previous prime is 69166055941. The next prime is 69166055999. The reversal of 69166055994 is 49955066196.

It is a super-4 number, since 4×69166055994⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (69166055999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823405387 + ... + 823405470.

It is an arithmetic number, because the mean of its divisors is an integer number (9880865148).

Almost surely, 2^69166055994 is an apocalyptic number.

69166055994 is an abundant number, since it is smaller than the sum of its proper divisors (88927786374).

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

69166055994 is a wasteful number, since it uses less digits than its factorization.

69166055994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646810869.

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 69166055994 in words is "sixty-nine billion, one hundred sixty-six million, fifty-five thousand, nine hundred ninety-four".