156006820 has 24 divisors (see below), whose sum is σ = 332506944. Its totient is φ = 61470816.

The previous prime is 156006793. The next prime is 156006821. The reversal of 156006820 is 28600651.

It is not an unprimeable number, because it can be changed into a prime (156006821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56872 + ... + 59551.

It is an arithmetic number, because the mean of its divisors is an integer number (13854456).

Almost surely, 2^156006820 is an apocalyptic number.

156006820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156006820 is an abundant number, since it is smaller than the sum of its proper divisors (176500124).

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

156006820 is a wasteful number, since it uses less digits than its factorization.

156006820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116499 (or 116497 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 156006820 is about 12490.2690123151. The cubic root of 156006820 is about 538.3291058615.

The spelling of 156006820 in words is "one hundred fifty-six million, six thousand, eight hundred twenty".