147796611866640 has 480 divisors, whose sum is σ = 558067234982400. Its totient is φ = 34745425735680.

The previous prime is 147796611866623. The next prime is 147796611866641. The reversal of 147796611866640 is 46668116697741.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (147796611866641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38752846 + ... + 42395474.

It is an arithmetic number, because the mean of its divisors is an integer number (1162640072880).

Almost surely, 2^{147796611866640} is an apocalyptic number.

147796611866640 is a gapful number since it is divisible by the number (10) 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 147796611866640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279033617491200).

147796611866640 is an abundant number, since it is smaller than the sum of its proper divisors (410270623115760).

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

147796611866640 is a wasteful number, since it uses less digits than its factorization.

147796611866640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642815 (or 3642806 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 147796611866640 in words is "one hundred forty-seven trillion, seven hundred ninety-six billion, six hundred eleven million, eight hundred sixty-six thousand, six hundred forty".