103153656621 has 16 divisors (see below), whose sum is σ = 141351383360. Its totient is φ = 66876485760.

The previous prime is 103153656607. The next prime is 103153656643. The reversal of 103153656621 is 126656351301.

It is not a de Polignac number, because 103153656621 - 2¹⁰ = 103153655597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103153656621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103153654621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1716400 + ... + 1775481.

It is an arithmetic number, because the mean of its divisors is an integer number (8834461460).

Almost surely, 2^103153656621 is an apocalyptic number.

It is an amenable number.

103153656621 is a deficient number, since it is larger than the sum of its proper divisors (38197726739).

103153656621 is a wasteful number, since it uses less digits than its factorization.

103153656621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492156.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 103153656621 in words is "one hundred three billion, one hundred fifty-three million, six hundred fifty-six thousand, six hundred twenty-one".