16386090452 has 6 divisors (see below), whose sum is σ = 28675658298. Its totient is φ = 8193045224.

The previous prime is 16386090431. The next prime is 16386090503. The reversal of 16386090452 is 25409068361.

It can be written as a sum of positive squares in only one way, i.e., 15666026896 + 720063556 = 125164^2 + 26834^2 .

It is a super-2 number, since 2×16386090452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048261303 + ... + 2048261310.

It is an arithmetic number, because the mean of its divisors is an integer number (4779276383).

Almost surely, 2^16386090452 is an apocalyptic number.

It is an amenable number.

16386090452 is a deficient number, since it is larger than the sum of its proper divisors (12289567846).

16386090452 is a wasteful number, since it uses less digits than its factorization.

16386090452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096522617 (or 4096522615 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16386090452 in words is "sixteen billion, three hundred eighty-six million, ninety thousand, four hundred fifty-two".