633355131066 has 16 divisors (see below), whose sum is σ = 1447668871104. Its totient is φ = 180958608864.

The previous prime is 633355131047. The next prime is 633355131107. The reversal of 633355131066 is 660131553336.

It is a super-2 number, since 2×633355131066² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 15079884073 = 633355131066 / (6 + 3 + 3 + 3 + 5 + 5 + 1 + 3 + 1 + 0 + 6 + 6).

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, 7539941995 + ... + 7539942078.

It is an arithmetic number, because the mean of its divisors is an integer number (90479304444).

Almost surely, 2^633355131066 is an apocalyptic number.

633355131066 is an abundant number, since it is smaller than the sum of its proper divisors (814313740038).

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

633355131066 is a wasteful number, since it uses less digits than its factorization.

633355131066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079884085.

The product of its (nonzero) digits is 437400, while the sum is 42.

The spelling of 633355131066 in words is "six hundred thirty-three billion, three hundred fifty-five million, one hundred thirty-one thousand, sixty-six".