2053436664 has 64 divisors (see below), whose sum is σ = 5538183840. Its totient is φ = 632053760.

The previous prime is 2053436657. The next prime is 2053436677. The reversal of 2053436664 is 4666343502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25857 + ... + 69104.

Almost surely, 2^2053436664 is an apocalyptic number.

2053436664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2053436664 is an abundant number, since it is smaller than the sum of its proper divisors (3484747176).

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

2053436664 is a wasteful number, since it uses less digits than its factorization.

2053436664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95040 (or 95036 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 2053436664 is about 45314.8614032968. The cubic root of 2053436664 is about 1271.0435682397.

The spelling of 2053436664 in words is "two billion, fifty-three million, four hundred thirty-six thousand, six hundred sixty-four".