16612542287 has 8 divisors (see below), whose sum is σ = 18123772800. Its totient is φ = 15101478360.

The previous prime is 16612542259. The next prime is 16612542301. The reversal of 16612542287 is 78224521661.

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 16612542287 - 2¹² = 16612538191 is a prime.

It is a super-2 number, since 2×16612542287² (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 (16612542217) 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, 265214 + ... + 321812.

It is an arithmetic number, because the mean of its divisors is an integer number (2265471600).

Almost surely, 2^16612542287 is an apocalyptic number.

16612542287 is a deficient number, since it is larger than the sum of its proper divisors (1511230513).

16612542287 is a wasteful number, since it uses less digits than its factorization.

16612542287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83293.

The product of its digits is 322560, while the sum is 44.

The spelling of 16612542287 in words is "sixteen billion, six hundred twelve million, five hundred forty-two thousand, two hundred eighty-seven".