1156261662 has 32 divisors (see below), whose sum is σ = 2586504960. Its totient is φ = 382865400.

The previous prime is 1156261637. The next prime is 1156261709. The reversal of 1156261662 is 2661626511.

1156261662 is a `hidden beast` number, since 1 + 15 + 626 + 16 + 6 + 2 = 666.

1156261662 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1156261662² = 2673882062022004488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62748 + ... + 79055.

It is an arithmetic number, because the mean of its divisors is an integer number (80828280).

Almost surely, 2^1156261662 is an apocalyptic number.

1156261662 is an abundant number, since it is smaller than the sum of its proper divisors (1430243298).

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

1156261662 is a wasteful number, since it uses less digits than its factorization.

1156261662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141965 (or 141959 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1156261662 is about 34003.8477528647. The cubic root of 1156261662 is about 1049.5876421609.

The spelling of 1156261662 in words is "one billion, one hundred fifty-six million, two hundred sixty-one thousand, six hundred sixty-two".