15772116633 has 32 divisors (see below), whose sum is σ = 25902836736. Its totient is φ = 8312804928.

The previous prime is 15772116593. The next prime is 15772116641. The reversal of 15772116633 is 33661127751.

It is not a de Polignac number, because 15772116633 - 2¹⁰ = 15772115609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15772116653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334710 + ... + 378912.

It is an arithmetic number, because the mean of its divisors is an integer number (809463648).

Almost surely, 2^15772116633 is an apocalyptic number.

15772116633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15772116633 is a deficient number, since it is larger than the sum of its proper divisors (10130720103).

15772116633 is a wasteful number, since it uses less digits than its factorization.

15772116633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45533.

The product of its digits is 158760, while the sum is 42.

The spelling of 15772116633 in words is "fifteen billion, seven hundred seventy-two million, one hundred sixteen thousand, six hundred thirty-three".