1642465604 has 96 divisors (see below), whose sum is σ = 3326668800. Its totient is φ = 703790208.

The previous prime is 1642465579. The next prime is 1642465609. The reversal of 1642465604 is 4065642461.

It is not an unprimeable number, because it can be changed into a prime (1642465609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8253497 + ... + 8253695.

It is an arithmetic number, because the mean of its divisors is an integer number (34652800).

Almost surely, 2^1642465604 is an apocalyptic number.

It is an amenable number.

1642465604 is an abundant number, since it is smaller than the sum of its proper divisors (1684203196).

1642465604 is a wasteful number, since it uses less digits than its factorization.

1642465604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 1642465604 is about 40527.3439050723. The cubic root of 1642465604 is about 1179.8643921535.

It can be divided in two parts, 16424 and 65604, that added together give a palindrome (82028).

The spelling of 1642465604 in words is "one billion, six hundred forty-two million, four hundred sixty-five thousand, six hundred four".