66161094 has 16 divisors (see below), whose sum is σ = 132425280. Its totient is φ = 22036520.

The previous prime is 66161089. The next prime is 66161107. The reversal of 66161094 is 49016166.

It is a congruent number.

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, 5917 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (8276580).

Almost surely, 2^66161094 is an apocalyptic number.

66161094 is an abundant number, since it is smaller than the sum of its proper divisors (66264186).

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

66161094 is a wasteful number, since it uses less digits than its factorization.

66161094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 66161094 is about 8133.9470123674. The cubic root of 66161094 is about 404.4525326499.

The spelling of 66161094 in words is "sixty-six million, one hundred sixty-one thousand, ninety-four".