66877101 has 12 divisors (see below), whose sum is σ = 97961760. Its totient is φ = 43956360.

The previous prime is 66877091. The next prime is 66877121. The reversal of 66877101 is 10177866.

It is a happy number.

It is not a de Polignac number, because 66877101 - 2⁶ = 66877037 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66877121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51691 + ... + 52968.

It is an arithmetic number, because the mean of its divisors is an integer number (8163480).

Almost surely, 2^66877101 is an apocalyptic number.

It is an amenable number.

66877101 is a deficient number, since it is larger than the sum of its proper divisors (31084659).

66877101 is a wasteful number, since it uses less digits than its factorization.

66877101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104736 (or 104733 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 66877101 is about 8177.8420747774. The cubic root of 66877101 is about 405.9063196382.

The spelling of 66877101 in words is "sixty-six million, eight hundred seventy-seven thousand, one hundred one".