555722156160 has 320 divisors, whose sum is σ = 1986067975320. Its totient is φ = 148081803264.

The previous prime is 555722156147. The next prime is 555722156179. The reversal of 555722156160 is 61651227555.

555722156160 is a `hidden beast` number, since 5 + 5 + 5 + 7 + 2 + 21 + 5 + 616 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 543475635264 + 12246520896 = 737208^2 + 110664^2 .

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×555722156160² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87969322 + ... + 87975638.

Almost surely, 2^555722156160 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 555722156160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993033987660).

555722156160 is an abundant number, since it is smaller than the sum of its proper divisors (1430345819160).

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

555722156160 is a wasteful number, since it uses less digits than its factorization.

555722156160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045 (or 8024 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 555722156160 in words is "five hundred fifty-five billion, seven hundred twenty-two million, one hundred fifty-six thousand, one hundred sixty".