1542322664 has 16 divisors (see below), whose sum is σ = 2985141120. Its totient is φ = 746285040.

The previous prime is 1542322657. The next prime is 1542322693. The reversal of 1542322664 is 4662232451.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109274 + ... + 3109769.

It is an arithmetic number, because the mean of its divisors is an integer number (186571320).

Almost surely, 2^1542322664 is an apocalyptic number.

It is an amenable number.

1542322664 is a deficient number, since it is larger than the sum of its proper divisors (1442818456).

1542322664 is a wasteful number, since it uses less digits than its factorization.

1542322664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219080 (or 6219076 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 1542322664 is about 39272.4160703158. The cubic root of 1542322664 is about 1155.3806242895.

The spelling of 1542322664 in words is "one billion, five hundred forty-two million, three hundred twenty-two thousand, six hundred sixty-four".