696066501636 has 81 divisors (see below), whose sum is σ = 1934150450869. Its totient is φ = 210912556800.

The previous prime is 696066501617. The next prime is 696066501653. The reversal of 696066501636 is 636105660696.

The square root of 696066501636 is 834306.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 110124036 + 695956377600 = 10494^2 + 834240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 55057876 + ... + 55070516.

Almost surely, 2^696066501636 is an apocalyptic number.

696066501636 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

696066501636 is the 834306-th square number.

It is an amenable number.

696066501636 is an abundant number, since it is smaller than the sum of its proper divisors (1238083949233).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696066501636 is a wasteful number, since it uses less digits than its factorization.

696066501636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25314 (or 12657 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 696066501636 in words is "six hundred ninety-six billion, sixty-six million, five hundred one thousand, six hundred thirty-six".