156836412 has 120 divisors (see below), whose sum is σ = 438746000. Its totient is φ = 48708864.

The previous prime is 156836401. The next prime is 156836413. The reversal of 156836412 is 214638651.

It is a happy number.

156836412 is a `hidden beast` number, since 1 + 5 + 6 + 8 + 3 + 641 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156836413) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 449214 + ... + 449562.

Almost surely, 2^156836412 is an apocalyptic number.

156836412 is a gapful number since it is divisible by the number (12) 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 156836412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219373000).

156836412 is an abundant number, since it is smaller than the sum of its proper divisors (281909588).

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

156836412 is a wasteful number, since it uses less digits than its factorization.

156836412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 446 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 156836412 is about 12523.4345129441. The cubic root of 156836412 is about 539.2816373777.

The spelling of 156836412 in words is "one hundred fifty-six million, eight hundred thirty-six thousand, four hundred twelve".