101606520243 has 8 divisors (see below), whose sum is σ = 135479061648. Its totient is φ = 67735829504.

The previous prime is 101606520241. The next prime is 101606520247. The reversal of 101606520243 is 342025606101.

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 101606520243 - 2¹ = 101606520241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101606520243.

It is not an unprimeable number, because it can be changed into a prime (101606520241) 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, 329046 + ... + 558107.

It is an arithmetic number, because the mean of its divisors is an integer number (16934882706).

Almost surely, 2^101606520243 is an apocalyptic number.

101606520243 is a deficient number, since it is larger than the sum of its proper divisors (33872541405).

101606520243 is an equidigital number, since it uses as much as digits as its factorization.

101606520243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925333.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 101606520243 in words is "one hundred one billion, six hundred six million, five hundred twenty thousand, two hundred forty-three".