101206665406 has 32 divisors (see below), whose sum is σ = 195796154880. Its totient is φ = 38071471200.

The previous prime is 101206665359. The next prime is 101206665467. The reversal of 101206665406 is 604566602101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11326330 + ... + 11335261.

It is an arithmetic number, because the mean of its divisors is an integer number (6118629840).

Almost surely, 2^101206665406 is an apocalyptic number.

101206665406 is a deficient number, since it is larger than the sum of its proper divisors (94589489474).

101206665406 is a wasteful number, since it uses less digits than its factorization.

101206665406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661640.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 101206665406 in words is "one hundred one billion, two hundred six million, six hundred sixty-five thousand, four hundred six".