537225280161 has 16 divisors (see below), whose sum is σ = 718789859520. Its totient is φ = 356906085120.

The previous prime is 537225280073. The next prime is 537225280183. The reversal of 537225280161 is 161082522735.

It is not a de Polignac number, because 537225280161 - 2³⁸ = 262347373217 is a prime.

It is a super-2 number, since 2×537225280161² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537225280061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357621 + ... + 3513981.

It is an arithmetic number, because the mean of its divisors is an integer number (44924366220).

Almost surely, 2^537225280161 is an apocalyptic number.

It is an amenable number.

537225280161 is a deficient number, since it is larger than the sum of its proper divisors (181564579359).

537225280161 is a wasteful number, since it uses less digits than its factorization.

537225280161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160336.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 537225280161 in words is "five hundred thirty-seven billion, two hundred twenty-five million, two hundred eighty thousand, one hundred sixty-one".