1626197852 has 24 divisors (see below), whose sum is σ = 2953510560. Its totient is φ = 782519360.

The previous prime is 1626197843. The next prime is 1626197863. The reversal of 1626197852 is 2587916261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1626197797 and 1626197806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13538 + ... + 58614.

It is an arithmetic number, because the mean of its divisors is an integer number (123062940).

Almost surely, 2^1626197852 is an apocalyptic number.

It is an amenable number.

1626197852 is a deficient number, since it is larger than the sum of its proper divisors (1327312708).

1626197852 is a wasteful number, since it uses less digits than its factorization.

1626197852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45421 (or 45419 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 1626197852 is about 40326.1435299732. The cubic root of 1626197852 is about 1175.9561499299.

The spelling of 1626197852 in words is "one billion, six hundred twenty-six million, one hundred ninety-seven thousand, eight hundred fifty-two".