1540463166 has 24 divisors (see below), whose sum is σ = 3641095224. Its totient is φ = 466806960.

The previous prime is 1540463149. The next prime is 1540463173. The reversal of 1540463166 is 6613640451.

It is a happy number.

1540463166 is a `hidden beast` number, since 15 + 4 + 0 + 4 + 631 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1540463166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3889861 + ... + 3890256.

It is an arithmetic number, because the mean of its divisors is an integer number (151712301).

Almost surely, 2^1540463166 is an apocalyptic number.

1540463166 is an abundant number, since it is smaller than the sum of its proper divisors (2100632058).

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

1540463166 is a wasteful number, since it uses less digits than its factorization.

1540463166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780136 (or 7780133 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1540463166 is about 39248.7345783275. The cubic root of 1540463166 is about 1154.9161101718.

The spelling of 1540463166 in words is "one billion, five hundred forty million, four hundred sixty-three thousand, one hundred sixty-six".