16147225597 has 2 divisors, whose sum is σ = 16147225598. Its totient is φ = 16147225596.

The previous prime is 16147225547. The next prime is 16147225667. The reversal of 16147225597 is 79552274161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15531639876 + 615585721 = 124626^2 + 24811^2 .

It is a cyclic number.

It is not a de Polignac number, because 16147225597 - 2⁷ = 16147225469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16147225597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16147225547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8073612798 + 8073612799.

It is an arithmetic number, because the mean of its divisors is an integer number (8073612799).

Almost surely, 2^16147225597 is an apocalyptic number.

It is an amenable number.

16147225597 is a deficient number, since it is larger than the sum of its proper divisors (1).

16147225597 is an equidigital number, since it uses as much as digits as its factorization.

16147225597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The spelling of 16147225597 in words is "sixteen billion, one hundred forty-seven million, two hundred twenty-five thousand, five hundred ninety-seven".