626016505 has 16 divisors (see below), whose sum is σ = 772413840. Its totient is φ = 486715392.

The previous prime is 626016493. The next prime is 626016529. The reversal of 626016505 is 505610626.

It can be written as a sum of positive squares in 8 ways, for example, as 150209536 + 475806969 = 12256^2 + 21813^2 .

It is a cyclic number.

It is not a de Polignac number, because 626016505 - 2⁵ = 626016473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238641 + ... + 241249.

It is an arithmetic number, because the mean of its divisors is an integer number (48275865).

Almost surely, 2^626016505 is an apocalyptic number.

It is an amenable number.

626016505 is a deficient number, since it is larger than the sum of its proper divisors (146397335).

626016505 is a wasteful number, since it uses less digits than its factorization.

626016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 626016505 is about 25020.3218404560. The cubic root of 626016505 is about 855.4512420343.

The spelling of 626016505 in words is "six hundred twenty-six million, sixteen thousand, five hundred five".