14766021890 has 32 divisors (see below), whose sum is σ = 26682860160. Its totient is φ = 5883341184.

The previous prime is 14766021883. The next prime is 14766021899. The reversal of 14766021890 is 9812066741.

It is not an unprimeable number, because it can be changed into a prime (14766021899) 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, 3009179 + ... + 3014081.

It is an arithmetic number, because the mean of its divisors is an integer number (833839380).

Almost surely, 2^14766021890 is an apocalyptic number.

14766021890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14766021890 is a deficient number, since it is larger than the sum of its proper divisors (11916838270).

14766021890 is a wasteful number, since it uses less digits than its factorization.

14766021890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 14766021890 in words is "fourteen billion, seven hundred sixty-six million, twenty-one thousand, eight hundred ninety".