1654061604 has 48 divisors (see below), whose sum is σ = 4224521280. Its totient is φ = 500595840.

The previous prime is 1654061567. The next prime is 1654061609. The reversal of 1654061604 is 4061604561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1654061609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77394 + ... + 96425.

It is an arithmetic number, because the mean of its divisors is an integer number (88010860).

Almost surely, 2^1654061604 is an apocalyptic number.

It is an amenable number.

1654061604 is an abundant number, since it is smaller than the sum of its proper divisors (2570459676).

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

1654061604 is a wasteful number, since it uses less digits than its factorization.

1654061604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173900 (or 173898 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1654061604 is about 40670.1561836195. The cubic root of 1654061604 is about 1182.6345435250.

The spelling of 1654061604 in words is "one billion, six hundred fifty-four million, sixty-one thousand, six hundred four".