18158084770 has 64 divisors (see below), whose sum is σ = 38635149312. Its totient is φ = 6012864000.

The previous prime is 18158084753. The next prime is 18158084773. The reversal of 18158084770 is 7748085181.

It is not an unprimeable number, because it can be changed into a prime (18158084773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1122540 + ... + 1138600.

It is an arithmetic number, because the mean of its divisors is an integer number (603674208).

Almost surely, 2^18158084770 is an apocalyptic number.

18158084770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18158084770 is an abundant number, since it is smaller than the sum of its proper divisors (20477064542).

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

18158084770 is a wasteful number, since it uses less digits than its factorization.

18158084770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16627.

The product of its (nonzero) digits is 501760, while the sum is 49.

The spelling of 18158084770 in words is "eighteen billion, one hundred fifty-eight million, eighty-four thousand, seven hundred seventy".