1471990166 has 16 divisors (see below), whose sum is σ = 2269388880. Its totient is φ = 715557600.

The previous prime is 1471990153. The next prime is 1471990181. The reversal of 1471990166 is 6610991741.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100520 + ... + 114228.

It is an arithmetic number, because the mean of its divisors is an integer number (141836805).

Almost surely, 2^1471990166 is an apocalyptic number.

1471990166 is a deficient number, since it is larger than the sum of its proper divisors (797398714).

1471990166 is a wasteful number, since it uses less digits than its factorization.

1471990166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15199.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1471990166 is about 38366.5240281160. The cubic root of 1471990166 is about 1137.5442587296.

The spelling of 1471990166 in words is "one billion, four hundred seventy-one million, nine hundred ninety thousand, one hundred sixty-six".