830149156787860 has 384 divisors, whose sum is σ = 2203719095983104. Its totient is φ = 255648313589760.

The previous prime is 830149156787857. The next prime is 830149156787891. The reversal of 830149156787860 is 68787651941038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 56041925814 + ... + 56041940626.

It is an arithmetic number, because the mean of its divisors is an integer number (5738851812456).

Almost surely, 2^{830149156787860} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830149156787860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101859547991552).

830149156787860 is an abundant number, since it is smaller than the sum of its proper divisors (1373569939195244).

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

830149156787860 is a wasteful number, since it uses less digits than its factorization.

830149156787860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16803 (or 16801 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 73.

The spelling of 830149156787860 in words is "eight hundred thirty trillion, one hundred forty-nine billion, one hundred fifty-six million, seven hundred eighty-seven thousand, eight hundred sixty".