192121670853 has 64 divisors (see below), whose sum is σ = 342981120000. Its totient is φ = 103830921792.

The previous prime is 192121670849. The next prime is 192121670879. The reversal of 192121670853 is 358076121291.

It is not a de Polignac number, because 192121670853 - 2² = 192121670849 is a prime.

It is a super-2 number, since 2×192121670853² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 192121670799 and 192121670808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192121670813) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2106351 + ... + 2195667.

It is an arithmetic number, because the mean of its divisors is an integer number (5359080000).

Almost surely, 2^192121670853 is an apocalyptic number.

It is an amenable number.

192121670853 is a deficient number, since it is larger than the sum of its proper divisors (150859449147).

192121670853 is a wasteful number, since it uses less digits than its factorization.

192121670853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89951 (or 89945 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 192121670853 in words is "one hundred ninety-two billion, one hundred twenty-one million, six hundred seventy thousand, eight hundred fifty-three".