18641541006 has 48 divisors (see below), whose sum is σ = 44089896240. Its totient is φ = 5645352960.

The previous prime is 18641540999. The next prime is 18641541031. The reversal of 18641541006 is 60014514681.

18641541006 is a `hidden beast` number, since 1 + 8 + 641 + 5 + 4 + 1 + 0 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290190 + ... + 348558.

It is an arithmetic number, because the mean of its divisors is an integer number (918539505).

Almost surely, 2^18641541006 is an apocalyptic number.

18641541006 is an abundant number, since it is smaller than the sum of its proper divisors (25448355234).

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

18641541006 is a wasteful number, since it uses less digits than its factorization.

18641541006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60001 (or 59998 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 18641541006 in words is "eighteen billion, six hundred forty-one million, five hundred forty-one thousand, six".