1061650161 has 48 divisors (see below), whose sum is σ = 1831257792. Its totient is φ = 584150400.

The previous prime is 1061650157. The next prime is 1061650199. The reversal of 1061650161 is 1610561601.

1061650161 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 650 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 1061650161 - 2² = 1061650157 is a prime.

It is a super-2 number, since 2×1061650161² = 2254202128702651842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061650141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71746 + ... + 85268.

It is an arithmetic number, because the mean of its divisors is an integer number (38151204).

Almost surely, 2^1061650161 is an apocalyptic number.

1061650161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1061650161 is a deficient number, since it is larger than the sum of its proper divisors (769607631).

1061650161 is a wasteful number, since it uses less digits than its factorization.

1061650161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614 (or 13611 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1061650161 is about 32582.9734830939. The cubic root of 1061650161 is about 1020.1416441126.

The spelling of 1061650161 in words is "one billion, sixty-one million, six hundred fifty thousand, one hundred sixty-one".