101606440738 has 16 divisors (see below), whose sum is σ = 166305462336. Its totient is φ = 46173529840.

The previous prime is 101606440721. The next prime is 101606440753. The reversal of 101606440738 is 837044606101.

It is a self number, because there is not a number n which added to its sum of digits gives 101606440738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467806 + ... + 649657.

It is an arithmetic number, because the mean of its divisors is an integer number (10394091396).

Almost surely, 2^101606440738 is an apocalyptic number.

101606440738 is a deficient number, since it is larger than the sum of its proper divisors (64699021598).

101606440738 is a wasteful number, since it uses less digits than its factorization.

101606440738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121609.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 101606440738 in words is "one hundred one billion, six hundred six million, four hundred forty thousand, seven hundred thirty-eight".