21653160430 has 16 divisors (see below), whose sum is σ = 42518933424. Its totient is φ = 7873876480.

The previous prime is 21653160409. The next prime is 21653160469. The reversal of 21653160430 is 3406135612.

It is a junction number, because it is equal to n+sod(n) for n = 21653160392 and 21653160401.

It is a congruent number.

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, 98423347 + ... + 98423566.

It is an arithmetic number, because the mean of its divisors is an integer number (2657433339).

Almost surely, 2^21653160430 is an apocalyptic number.

21653160430 is a deficient number, since it is larger than the sum of its proper divisors (20865772994).

21653160430 is a wasteful number, since it uses less digits than its factorization.

21653160430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196846931.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 21653160430 in words is "twenty-one billion, six hundred fifty-three million, one hundred sixty thousand, four hundred thirty".