65605400632 has 16 divisors (see below), whose sum is σ = 126334724760. Its totient is φ = 31916140704.

The previous prime is 65605400563. The next prime is 65605400633. The reversal of 65605400632 is 23600450656.

65605400632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 65605400591 and 65605400600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65605400633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110819638 + ... + 110820229.

Almost surely, 2^65605400632 is an apocalyptic number.

It is an amenable number.

65605400632 is a deficient number, since it is larger than the sum of its proper divisors (60729324128).

65605400632 is a wasteful number, since it uses less digits than its factorization.

65605400632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221639910 (or 221639906 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 65605400632 in words is "sixty-five billion, six hundred five million, four hundred thousand, six hundred thirty-two".