136660367780046 has 96 divisors (see below), whose sum is σ = 334214964626400. Its totient is φ = 39976915050240.

The previous prime is 136660367780009. The next prime is 136660367780077. The reversal of 136660367780046 is 640087763066631.

It is a super-2 number, since 2×136660367780046² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29276200 + ... + 33621668.

It is an arithmetic number, because the mean of its divisors is an integer number (3481405881525).

Almost surely, 2^{136660367780046} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136660367780046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167107482313200).

136660367780046 is an abundant number, since it is smaller than the sum of its proper divisors (197554596846354).

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

136660367780046 is a wasteful number, since it uses less digits than its factorization.

136660367780046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350994 (or 4350991 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 136660367780046 in words is "one hundred thirty-six trillion, six hundred sixty billion, three hundred sixty-seven million, seven hundred eighty thousand, forty-six".