16435025252 has 12 divisors (see below), whose sum is σ = 28762829676. Its totient is φ = 8217073920.

The previous prime is 16435025249. The next prime is 16435025263. The reversal of 16435025252 is 25252053461.

It can be written as a sum of positive squares in 2 ways, for example, as 2509609216 + 13925416036 = 50096^2 + 118006^2 .

It is a super-2 number, since 2×16435025252² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16613 + ... + 182060.

It is an arithmetic number, because the mean of its divisors is an integer number (2396902473).

Almost surely, 2^16435025252 is an apocalyptic number.

It is an amenable number.

16435025252 is a deficient number, since it is larger than the sum of its proper divisors (12327804424).

16435025252 is a wasteful number, since it uses less digits than its factorization.

16435025252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219358 (or 219356 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 16435025252 in words is "sixteen billion, four hundred thirty-five million, twenty-five thousand, two hundred fifty-two".