537056699372161 has 4 divisors (see below), whose sum is σ = 565322841444400. Its totient is φ = 508790557299924.

The previous prime is 537056699372159. The next prime is 537056699372197. The reversal of 537056699372161 is 161273996650735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537056699372161 - 2¹ = 537056699372159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537056699372131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14133071036091 + ... + 14133071036128.

It is an arithmetic number, because the mean of its divisors is an integer number (141330710361100).

Almost surely, 2^{537056699372161} is an apocalyptic number.

It is an amenable number.

537056699372161 is a deficient number, since it is larger than the sum of its proper divisors (28266142072239).

537056699372161 is a wasteful number, since it uses less digits than its factorization.

537056699372161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28266142072238.

The product of its (nonzero) digits is 385786800, while the sum is 70.

The spelling of 537056699372161 in words is "five hundred thirty-seven trillion, fifty-six billion, six hundred ninety-nine million, three hundred seventy-two thousand, one hundred sixty-one".