23454620166 has 16 divisors (see below), whose sum is σ = 46919513088. Its totient is φ = 7816494600.

The previous prime is 23454620149. The next prime is 23454620179. The reversal of 23454620166 is 66102645432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398190 + ... + 453281.

It is an arithmetic number, because the mean of its divisors is an integer number (2932469568).

Almost surely, 2^23454620166 is an apocalyptic number.

23454620166 is an abundant number, since it is smaller than the sum of its proper divisors (23464892922).

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

23454620166 is a wasteful number, since it uses less digits than its factorization.

23454620166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856067.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 23454620166 in words is "twenty-three billion, four hundred fifty-four million, six hundred twenty thousand, one hundred sixty-six".