155366539536 has 160 divisors (see below), whose sum is σ = 472427762688. Its totient is φ = 43541544960.

The previous prime is 155366539499. The next prime is 155366539609. The reversal of 155366539536 is 635935663551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92620 + ... + 565076.

Almost surely, 2^155366539536 is an apocalyptic number.

155366539536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155366539536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236213881344).

155366539536 is an abundant number, since it is smaller than the sum of its proper divisors (317061223152).

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

155366539536 is a wasteful number, since it uses less digits than its factorization.

155366539536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472529 (or 472523 counting only the distinct ones).

The product of its digits is 32805000, while the sum is 57.

The spelling of 155366539536 in words is "one hundred fifty-five billion, three hundred sixty-six million, five hundred thirty-nine thousand, five hundred thirty-six".