190825899652 has 54 divisors (see below), whose sum is σ = 343536727086. Its totient is φ = 92738891520.

The previous prime is 190825899637. The next prime is 190825899709. The reversal of 190825899652 is 256998528091.

It can be written as a sum of positive squares in only one way, i.e., 159349462596 + 31476437056 = 399186^2 + 177416^2 .

It is a super-2 number, since 2×190825899652² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 576513127 + ... + 576513457.

Almost surely, 2^190825899652 is an apocalyptic number.

It is an amenable number.

190825899652 is a deficient number, since it is larger than the sum of its proper divisors (152710827434).

190825899652 is an frugal number, since it uses more digits than its factorization.

190825899652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 64.

The spelling of 190825899652 in words is "one hundred ninety billion, eight hundred twenty-five million, eight hundred ninety-nine thousand, six hundred fifty-two".