65380056236 has 24 divisors (see below), whose sum is σ = 125137368720. Its totient is φ = 29641803200.

The previous prime is 65380056233. The next prime is 65380056253. The reversal of 65380056236 is 63265008356.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (65380056233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892795 + ... + 1927026.

It is an arithmetic number, because the mean of its divisors is an integer number (5214057030).

Almost surely, 2^65380056236 is an apocalyptic number.

It is an amenable number.

65380056236 is a deficient number, since it is larger than the sum of its proper divisors (59757312484).

65380056236 is a wasteful number, since it uses less digits than its factorization.

65380056236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820225 (or 3820223 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 65380056236 in words is "sixty-five billion, three hundred eighty million, fifty-six thousand, two hundred thirty-six".