61268606503398 has 32 divisors (see below), whose sum is σ = 155602810168320. Its totient is φ = 17505316143720.

The previous prime is 61268606503397. The next prime is 61268606503487. The reversal of 61268606503398 is 89330560686216.

61268606503398 is a `hidden beast` number, since 6 + 1 + 2 + 68 + 60 + 6 + 503 + 3 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61268606503397) 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, 81043129918 + ... + 81043130673.

It is an arithmetic number, because the mean of its divisors is an integer number (4862587817760).

Almost surely, 2^{61268606503398} is an apocalyptic number.

61268606503398 is an abundant number, since it is smaller than the sum of its proper divisors (94334203664922).

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

61268606503398 is a wasteful number, since it uses less digits than its factorization.

61268606503398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162086260609 (or 162086260603 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 61268606503398 in words is "sixty-one trillion, two hundred sixty-eight billion, six hundred six million, five hundred three thousand, three hundred ninety-eight".