66196095 has 32 divisors (see below), whose sum is σ = 127418880. Its totient is φ = 28667520.

The previous prime is 66196063. The next prime is 66196103. The reversal of 66196095 is 59069166.

It is not a de Polignac number, because 66196095 - 2⁵ = 66196063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14596 + ... + 18585.

It is an arithmetic number, because the mean of its divisors is an integer number (3981840).

Almost surely, 2^66196095 is an apocalyptic number.

66196095 is a deficient number, since it is larger than the sum of its proper divisors (61222785).

66196095 is a wasteful number, since it uses less digits than its factorization.

66196095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33215.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 66196095 is about 8136.0982663682. The cubic root of 66196095 is about 404.5238421694.

The spelling of 66196095 in words is "sixty-six million, one hundred ninety-six thousand, ninety-five".