1540164594 has 16 divisors (see below), whose sum is σ = 3214256832. Its totient is φ = 491066928.

The previous prime is 1540164551. The next prime is 1540164607. The reversal of 1540164594 is 4954610451.

It is a super-2 number, since 2×1540164594² = 4744213953222369672, which contains 22 as substring.

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, 5580169 + ... + 5580444.

It is an arithmetic number, because the mean of its divisors is an integer number (200891052).

Almost surely, 2^1540164594 is an apocalyptic number.

1540164594 is an abundant number, since it is smaller than the sum of its proper divisors (1674092238).

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

1540164594 is a wasteful number, since it uses less digits than its factorization.

1540164594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160641.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1540164594 is about 39244.9308064112. The cubic root of 1540164594 is about 1154.8414902131.

The spelling of 1540164594 in words is "one billion, five hundred forty million, one hundred sixty-four thousand, five hundred ninety-four".