1654045632 has 84 divisors (see below), whose sum is σ = 4869221656. Its totient is φ = 536440320.

The previous prime is 1654045619. The next prime is 1654045633. The reversal of 1654045632 is 2365404561.

1654045632 is a `hidden beast` number, since 16 + 5 + 4 + 0 + 4 + 5 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654045633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17494 + ... + 60117.

Almost surely, 2^1654045632 is an apocalyptic number.

1654045632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1654045632 is an abundant number, since it is smaller than the sum of its proper divisors (3215176024).

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

1654045632 is a wasteful number, since it uses less digits than its factorization.

1654045632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77666 (or 77653 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1654045632 is about 40669.9598229455. The cubic root of 1654045632 is about 1182.6307369156.

The spelling of 1654045632 in words is "one billion, six hundred fifty-four million, forty-five thousand, six hundred thirty-two".