1167049620 has 240 divisors, whose sum is σ = 4049337600. Its totient is φ = 279002880.

The previous prime is 1167049579. The next prime is 1167049687. The reversal of 1167049620 is 269407611.

1167049620 is a `hidden beast` number, since 1 + 167 + 0 + 496 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1407366 + ... + 1408194.

It is an arithmetic number, because the mean of its divisors is an integer number (16872240).

Almost surely, 2^1167049620 is an apocalyptic number.

1167049620 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 1167049620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024668800).

1167049620 is an abundant number, since it is smaller than the sum of its proper divisors (2882287980).

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

1167049620 is a wasteful number, since it uses less digits than its factorization.

1167049620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1167049620 is about 34162.1079560381. The cubic root of 1167049620 is about 1052.8417713403.

The spelling of 1167049620 in words is "one billion, one hundred sixty-seven million, forty-nine thousand, six hundred twenty".