100665166106654 has 32 divisors (see below), whose sum is σ = 155018275061760. Its totient is φ = 49015718746848.

The previous prime is 100665166106651. The next prime is 100665166106663. The reversal of 100665166106654 is 456601661566001.

It is a junction number, because it is equal to n+sod(n) for n = 100665166106596 and 100665166106605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100665166106651) 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, 14028062 + ... + 19952865.

It is an arithmetic number, because the mean of its divisors is an integer number (4844321095680).

Almost surely, 2^{100665166106654} is an apocalyptic number.

100665166106654 is a deficient number, since it is larger than the sum of its proper divisors (54353108955106).

100665166106654 is a wasteful number, since it uses less digits than its factorization.

100665166106654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33981272.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 100665166106654 in words is "one hundred trillion, six hundred sixty-five billion, one hundred sixty-six million, one hundred six thousand, six hundred fifty-four".