101611040166 has 20 divisors (see below), whose sum is σ = 227683997772. Its totient is φ = 33870346668.

The previous prime is 101611040137. The next prime is 101611040171. The reversal of 101611040166 is 661040116101.

It is a happy number.

101611040166 is a `hidden beast` number, since 1 + 0 + 1 + 611 + 0 + 40 + 1 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 313614160 + ... + 313614483.

Almost surely, 2^101611040166 is an apocalyptic number.

101611040166 is an abundant number, since it is smaller than the sum of its proper divisors (126072957606).

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

101611040166 is an equidigital number, since it uses as much as digits as its factorization.

101611040166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627228657 (or 627228648 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 101611040166 its reverse (661040116101), we get a palindrome (762651156267).

The spelling of 101611040166 in words is "one hundred one billion, six hundred eleven million, forty thousand, one hundred sixty-six".