64145335156362 has 96 divisors (see below), whose sum is σ = 145457039145600. Its totient is φ = 20391113508480.

The previous prime is 64145335156333. The next prime is 64145335156387. The reversal of 64145335156362 is 26365153354146.

64145335156362 is a `hidden beast` number, since 6 + 4 + 1 + 4 + 5 + 3 + 3 + 515 + 63 + 62 = 666.

It is a super-2 number, since 2×64145335156362² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64145335156299 and 64145335156308.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1521560988 + ... + 1521603144.

It is an arithmetic number, because the mean of its divisors is an integer number (1515177491100).

Almost surely, 2^{64145335156362} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64145335156362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72728519572800).

64145335156362 is an abundant number, since it is smaller than the sum of its proper divisors (81311703989238).

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

64145335156362 is a wasteful number, since it uses less digits than its factorization.

64145335156362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53068 (or 53065 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 64145335156362 in words is "sixty-four trillion, one hundred forty-five billion, three hundred thirty-five million, one hundred fifty-six thousand, three hundred sixty-two".