65533661432 has 16 divisors (see below), whose sum is σ = 122880101760. Its totient is φ = 32765634304.

The previous prime is 65533661423. The next prime is 65533661461. The reversal of 65533661432 is 23416633556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109673 + ... + 378279.

It is an arithmetic number, because the mean of its divisors is an integer number (7680006360).

Almost surely, 2^65533661432 is an apocalyptic number.

It is an amenable number.

65533661432 is a deficient number, since it is larger than the sum of its proper divisors (57346440328).

65533661432 is a wasteful number, since it uses less digits than its factorization.

65533661432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299110 (or 299106 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 44.

The spelling of 65533661432 in words is "sixty-five billion, five hundred thirty-three million, six hundred sixty-one thousand, four hundred thirty-two".