156960869780 has 192 divisors, whose sum is σ = 410609751552. Its totient is φ = 49515970560.

The previous prime is 156960869759. The next prime is 156960869851. The reversal of 156960869780 is 87968069651.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 41665457 + ... + 41669223.

It is an arithmetic number, because the mean of its divisors is an integer number (2138592456).

Almost surely, 2^156960869780 is an apocalyptic number.

156960869780 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 156960869780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205304875776).

156960869780 is an abundant number, since it is smaller than the sum of its proper divisors (253648881772).

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

156960869780 is a wasteful number, since it uses less digits than its factorization.

156960869780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674 (or 4672 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 156960869780 in words is "one hundred fifty-six billion, nine hundred sixty million, eight hundred sixty-nine thousand, seven hundred eighty".