16602158109 has 8 divisors (see below), whose sum is σ = 22222344960. Its totient is φ = 11025038336.

The previous prime is 16602158099. The next prime is 16602158113. The reversal of 16602158109 is 90185120661.

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 16602158109 - 2¹³ = 16602149917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16602158189) 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, 10765869 + ... + 10767410.

It is an arithmetic number, because the mean of its divisors is an integer number (2777793120).

Almost surely, 2^16602158109 is an apocalyptic number.

It is an amenable number.

16602158109 is a deficient number, since it is larger than the sum of its proper divisors (5620186851).

16602158109 is a wasteful number, since it uses less digits than its factorization.

16602158109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533539.

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 16602158109 in words is "sixteen billion, six hundred two million, one hundred fifty-eight thousand, one hundred nine".