18258080061 has 16 divisors (see below), whose sum is σ = 26219162816. Its totient is φ = 11234699136.

The previous prime is 18258080011. The next prime is 18258080089. The reversal of 18258080061 is 16008085281.

It is not a de Polignac number, because 18258080061 - 2⁷ = 18258079933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18258080011) 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, 762081 + ... + 785673.

It is an arithmetic number, because the mean of its divisors is an integer number (1638697676).

Almost surely, 2^18258080061 is an apocalyptic number.

It is an amenable number.

18258080061 is a deficient number, since it is larger than the sum of its proper divisors (7961082755).

18258080061 is a wasteful number, since it uses less digits than its factorization.

18258080061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43452.

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 18258080061 in words is "eighteen billion, two hundred fifty-eight million, eighty thousand, sixty-one".