63354507371661 has 16 divisors (see below), whose sum is σ = 92317454215488. Its totient is φ = 38327736345600.

The previous prime is 63354507371609. The next prime is 63354507371677. The reversal of 63354507371661 is 16617370545336.

It is a happy number.

It is not a de Polignac number, because 63354507371661 - 2⁹ = 63354507371149 is a prime.

It is a super-3 number, since 3×63354507371661³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63354507371681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723351060 + ... + 1723387821.

It is an arithmetic number, because the mean of its divisors is an integer number (5769840888468).

Almost surely, 2^{63354507371661} is an apocalyptic number.

It is an amenable number.

63354507371661 is a deficient number, since it is larger than the sum of its proper divisors (28962946843827).

63354507371661 is a wasteful number, since it uses less digits than its factorization.

63354507371661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446739452.

The product of its (nonzero) digits is 28576800, while the sum is 57.

The spelling of 63354507371661 in words is "sixty-three trillion, three hundred fifty-four billion, five hundred seven million, three hundred seventy-one thousand, six hundred sixty-one".