156666952050 has 96 divisors (see below), whose sum is σ = 444493550592. Its totient is φ = 35772924480.

The previous prime is 156666952021. The next prime is 156666952069. The reversal of 156666952050 is 50259666651.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 156666951984 and 156666952002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 956257 + ... + 1108043.

It is an arithmetic number, because the mean of its divisors is an integer number (4630141152).

Almost surely, 2^156666952050 is an apocalyptic number.

156666952050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156666952050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222246775296).

156666952050 is an abundant number, since it is smaller than the sum of its proper divisors (287826598542).

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

156666952050 is a wasteful number, since it uses less digits than its factorization.

156666952050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152792 (or 152787 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 156666952050 in words is "one hundred fifty-six billion, six hundred sixty-six million, nine hundred fifty-two thousand, fifty".