100666533461 has 16 divisors (see below), whose sum is σ = 111972564480. Its totient is φ = 89872925760.

The previous prime is 100666533449. The next prime is 100666533493. The reversal of 100666533461 is 164335666001.

It is a cyclic number.

It is not a de Polignac number, because 100666533461 - 2⁶ = 100666533397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100666533061) 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, 626330 + ... + 770468.

It is an arithmetic number, because the mean of its divisors is an integer number (6998285280).

Almost surely, 2^100666533461 is an apocalyptic number.

It is an amenable number.

100666533461 is a deficient number, since it is larger than the sum of its proper divisors (11306031019).

100666533461 is a wasteful number, since it uses less digits than its factorization.

100666533461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145916.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 100666533461 in words is "one hundred billion, six hundred sixty-six million, five hundred thirty-three thousand, four hundred sixty-one".