1541566164 has 24 divisors (see below), whose sum is σ = 3599527680. Its totient is φ = 513492544.

The previous prime is 1541566163. The next prime is 1541566193. The reversal of 1541566164 is 4616651451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541566163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27369 + ... + 61904.

It is an arithmetic number, because the mean of its divisors is an integer number (149980320).

Almost surely, 2^1541566164 is an apocalyptic number.

It is an amenable number.

1541566164 is an abundant number, since it is smaller than the sum of its proper divisors (2057961516).

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

1541566164 is a wasteful number, since it uses less digits than its factorization.

1541566164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90719 (or 90717 counting only the distinct ones).

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

The square root of 1541566164 is about 39262.7834469234. The cubic root of 1541566164 is about 1155.1916909778.

The spelling of 1541566164 in words is "one billion, five hundred forty-one million, five hundred sixty-six thousand, one hundred sixty-four".