1541610664 has 24 divisors (see below), whose sum is σ = 3177185130. Its totient is φ = 700731680.

The previous prime is 1541610641. The next prime is 1541610689. The reversal of 1541610664 is 4660161451.

It can be written as a sum of positive squares in only one way, i.e., 1033108164 + 508502500 = 32142^2 + 22550^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 795319 + ... + 797254.

Almost surely, 2^1541610664 is an apocalyptic number.

It is an amenable number.

1541610664 is an abundant number, since it is smaller than the sum of its proper divisors (1635574466).

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

1541610664 is a wasteful number, since it uses less digits than its factorization.

1541610664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592601 (or 1592586 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1541610664 is about 39263.3501372463. The cubic root of 1541610664 is about 1155.2028064128.

The spelling of 1541610664 in words is "one billion, five hundred forty-one million, six hundred ten thousand, six hundred sixty-four".