8101606699 has 4 divisors (see below), whose sum is σ = 8144023680. Its totient is φ = 8059189720.

The previous prime is 8101606673. The next prime is 8101606739. The reversal of 8101606699 is 9966061018.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8101606699 - 2⁷ = 8101606571 is a prime.

It is a super-2 number, since 2×8101606699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8101604699) 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, 21208204 + ... + 21208585.

It is an arithmetic number, because the mean of its divisors is an integer number (2036005920).

Almost surely, 2^8101606699 is an apocalyptic number.

8101606699 is a deficient number, since it is larger than the sum of its proper divisors (42416981).

8101606699 is a wasteful number, since it uses less digits than its factorization.

8101606699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42416980.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 8101606699 is about 90008.9256629586. The cubic root of 8101606699 is about 2008.4316287827.

The spelling of 8101606699 in words is "eight billion, one hundred one million, six hundred six thousand, six hundred ninety-nine".