101816650478 has 16 divisors (see below), whose sum is σ = 167284964880. Its totient is φ = 46261520256.

The previous prime is 101816650477. The next prime is 101816650541. The reversal of 101816650478 is 874056618101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101816650477) 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, 51630176 + ... + 51632147.

It is an arithmetic number, because the mean of its divisors is an integer number (10455310305).

Almost surely, 2^101816650478 is an apocalyptic number.

101816650478 is a deficient number, since it is larger than the sum of its proper divisors (65468314402).

101816650478 is a wasteful number, since it uses less digits than its factorization.

101816650478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103262371.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 101816650478 in words is "one hundred one billion, eight hundred sixteen million, six hundred fifty thousand, four hundred seventy-eight".