153796673646 has 448 divisors, whose sum is σ = 451626900480. Its totient is φ = 38093690880.

The previous prime is 153796673603. The next prime is 153796673659. The reversal of 153796673646 is 646376697351.

It is a happy number.

153796673646 is a `hidden beast` number, since 1 + 537 + 9 + 6 + 67 + 36 + 4 + 6 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 315804015 + ... + 315804501.

It is an arithmetic number, because the mean of its divisors is an integer number (1008095760).

Almost surely, 2^153796673646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153796673646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225813450240).

153796673646 is an abundant number, since it is smaller than the sum of its proper divisors (297830226834).

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

153796673646 is a wasteful number, since it uses less digits than its factorization.

153796673646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 636 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 63.

The spelling of 153796673646 in words is "one hundred fifty-three billion, seven hundred ninety-six million, six hundred seventy-three thousand, six hundred forty-six".