66560094 has 12 divisors (see below), whose sum is σ = 144213576. Its totient is φ = 22186692.

The previous prime is 66560071. The next prime is 66560101. The reversal of 66560094 is 49006566.

It is a happy number.

66560094 is a `hidden beast` number, since 6 + 6 + 560 + 0 + 94 = 666.

It is a super-2 number, since 2×66560094² = 8860492226577672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1848874 + ... + 1848909.

It is an arithmetic number, because the mean of its divisors is an integer number (12017798).

Almost surely, 2^66560094 is an apocalyptic number.

66560094 is an abundant number, since it is smaller than the sum of its proper divisors (77653482).

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

66560094 is a wasteful number, since it uses less digits than its factorization.

66560094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697791 (or 3697788 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 66560094 is about 8158.4369826579. The cubic root of 66560094 is about 405.2639523072.

The spelling of 66560094 in words is "sixty-six million, five hundred sixty thousand, ninety-four".