16532751497 has 8 divisors (see below), whose sum is σ = 16558101000. Its totient is φ = 16507423744.

The previous prime is 16532751479. The next prime is 16532751593. The reversal of 16532751497 is 79415723561.

It can be written as a sum of positive squares in 4 ways, for example, as 276756496 + 16255995001 = 16636^2 + 127499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16532751497 - 2¹⁴ = 16532735113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16532751407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075879 + ... + 2083827.

It is an arithmetic number, because the mean of its divisors is an integer number (2069762625).

Almost surely, 2^16532751497 is an apocalyptic number.

It is an amenable number.

16532751497 is a deficient number, since it is larger than the sum of its proper divisors (25349503).

16532751497 is a wasteful number, since it uses less digits than its factorization.

16532751497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875.

The product of its digits is 1587600, while the sum is 50.

The spelling of 16532751497 in words is "sixteen billion, five hundred thirty-two million, seven hundred fifty-one thousand, four hundred ninety-seven".