95666991 has 16 divisors (see below), whose sum is σ = 146187264. Its totient is φ = 54513504.

The previous prime is 95666953. The next prime is 95666993. The reversal of 95666991 is 19966659.

It is not a de Polignac number, because 95666991 - 2⁶ = 95666927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95666993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (9136704).

Almost surely, 2^95666991 is an apocalyptic number.

95666991 is a deficient number, since it is larger than the sum of its proper divisors (50520273).

95666991 is a wasteful number, since it uses less digits than its factorization.

95666991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12790.

The product of its digits is 787320, while the sum is 51.

The square root of 95666991 is about 9780.9504139424. The cubic root of 95666991 is about 457.3556390058.

The spelling of 95666991 in words is "ninety-five million, six hundred sixty-six thousand, nine hundred ninety-one".