1655431464 has 64 divisors (see below), whose sum is σ = 4175749440. Its totient is φ = 546877440.

The previous prime is 1655431433. The next prime is 1655431469. The reversal of 1655431464 is 4641345561.

It is not an unprimeable number, because it can be changed into a prime (1655431469) 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, 2395359 + ... + 2396049.

It is an arithmetic number, because the mean of its divisors is an integer number (65246085).

Almost surely, 2^1655431464 is an apocalyptic number.

It is an amenable number.

1655431464 is an abundant number, since it is smaller than the sum of its proper divisors (2520317976).

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

1655431464 is a wasteful number, since it uses less digits than its factorization.

1655431464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1446 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 1655431464 is about 40686.9937940861. The cubic root of 1655431464 is about 1182.9609313549.

The spelling of 1655431464 in words is "one billion, six hundred fifty-five million, four hundred thirty-one thousand, four hundred sixty-four".