65778150332 has 24 divisors (see below), whose sum is σ = 116005080576. Its totient is φ = 32634804528.

The previous prime is 65778150329. The next prime is 65778150341. The reversal of 65778150332 is 23305187756.

It is a super-2 number, since 2×65778150332² (a number of 22 digits) contains 22 as substring.

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, 153743 + ... + 393945.

It is an arithmetic number, because the mean of its divisors is an integer number (4833545024).

Almost surely, 2^65778150332 is an apocalyptic number.

It is an amenable number.

65778150332 is a deficient number, since it is larger than the sum of its proper divisors (50226930244).

65778150332 is a wasteful number, since it uses less digits than its factorization.

65778150332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240737 (or 240735 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 65778150332 in words is "sixty-five billion, seven hundred seventy-eight million, one hundred fifty thousand, three hundred thirty-two".