8426790907164 has 180 divisors, whose sum is σ = 25635540684600. Its totient is φ = 2406750252480.

The previous prime is 8426790907151. The next prime is 8426790907169. The reversal of 8426790907164 is 4617090976248.

8426790907164 is a `hidden beast` number, since 84 + 267 + 90 + 90 + 71 + 64 = 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 (8426790907169) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 42750994 + ... + 42947654.

It is an arithmetic number, because the mean of its divisors is an integer number (142419670470).

Almost surely, 2^{8426790907164} is an apocalyptic number.

8426790907164 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8426790907164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12817770342300).

8426790907164 is an abundant number, since it is smaller than the sum of its proper divisors (17208749777436).

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

8426790907164 is a wasteful number, since it uses less digits than its factorization.

8426790907164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199390 (or 199372 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 8426790907164 in words is "eight trillion, four hundred twenty-six billion, seven hundred ninety million, nine hundred seven thousand, one hundred sixty-four".