16528002493 has 8 divisors (see below), whose sum is σ = 16927093568. Its totient is φ = 16129580544.

The previous prime is 16528002487. The next prime is 16528002499. The reversal of 16528002493 is 39420082561.

It is an interprime number because it is at equal distance from previous prime (16528002487) and next prime (16528002499).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16528002493 is a prime.

It is a super-2 number, since 2×16528002493² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16528002499) 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, 117105 + ... + 216262.

It is an arithmetic number, because the mean of its divisors is an integer number (2115886696).

Almost surely, 2^16528002493 is an apocalyptic number.

It is an amenable number.

16528002493 is a deficient number, since it is larger than the sum of its proper divisors (399091075).

16528002493 is a wasteful number, since it uses less digits than its factorization.

16528002493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334563.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 16528002493 in words is "sixteen billion, five hundred twenty-eight million, two thousand, four hundred ninety-three".