21093167348 has 24 divisors (see below), whose sum is σ = 41357122464. Its totient is φ = 9328672800.

The previous prime is 21093167323. The next prime is 21093167387. The reversal of 21093167348 is 84376139012.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 21093167299 and 21093167308.

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, 6476618 + ... + 6479873.

It is an arithmetic number, because the mean of its divisors is an integer number (1723213436).

Almost surely, 2^21093167348 is an apocalyptic number.

It is an amenable number.

21093167348 is a deficient number, since it is larger than the sum of its proper divisors (20263955116).

21093167348 is a wasteful number, since it uses less digits than its factorization.

21093167348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956543 (or 12956541 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 21093167348 in words is "twenty-one billion, ninety-three million, one hundred sixty-seven thousand, three hundred forty-eight".