21366096092 has 24 divisors (see below), whose sum is σ = 40903470720. Its totient is φ = 9684802160.

The previous prime is 21366096091. The next prime is 21366096121. The reversal of 21366096092 is 29069066312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21366096091) 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, 660518 + ... + 692109.

It is an arithmetic number, because the mean of its divisors is an integer number (1704311280).

Almost surely, 2^21366096092 is an apocalyptic number.

21366096092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21366096092 is a deficient number, since it is larger than the sum of its proper divisors (19537374628).

21366096092 is a wasteful number, since it uses less digits than its factorization.

21366096092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353001 (or 1352999 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 21366096092 in words is "twenty-one billion, three hundred sixty-six million, ninety-six thousand, ninety-two".