65100661416 has 256 divisors, whose sum is σ = 214187212800. Its totient is φ = 17928345600.

The previous prime is 65100661411. The next prime is 65100661429. The reversal of 65100661416 is 61416600156.

It is a happy number.

It is a super-2 number, since 2×65100661416² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (65100661411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12324696 + ... + 12329976.

It is an arithmetic number, because the mean of its divisors is an integer number (836668800).

Almost surely, 2^65100661416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65100661416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107093606400).

65100661416 is an abundant number, since it is smaller than the sum of its proper divisors (149086551384).

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

65100661416 is a wasteful number, since it uses less digits than its factorization.

65100661416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 65100661416 in words is "sixty-five billion, one hundred million, six hundred sixty-one thousand, four hundred sixteen".