1043357664 has 48 divisors (see below), whose sum is σ = 2783728080. Its totient is φ = 342082560.

The previous prime is 1043357647. The next prime is 1043357681. The reversal of 1043357664 is 4667533401.

It is an interprime number because it is at equal distance from previous prime (1043357647) and next prime (1043357681).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83229 + ... + 94940.

It is an arithmetic number, because the mean of its divisors is an integer number (57994335).

Almost surely, 2^1043357664 is an apocalyptic number.

It is an amenable number.

1043357664 is an abundant number, since it is smaller than the sum of its proper divisors (1740370416).

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

1043357664 is a wasteful number, since it uses less digits than its factorization.

1043357664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178243 (or 178235 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 1043357664 is about 32301.0474133580. The cubic root of 1043357664 is about 1014.2485687004.

The spelling of 1043357664 in words is "one billion, forty-three million, three hundred fifty-seven thousand, six hundred sixty-four".