1963161 has 12 divisors (see below), whose sum is σ = 2848560. Its totient is φ = 1302840.

The previous prime is 1963153. The next prime is 1963187. The reversal of 1963161 is 1613691.

It is not a de Polignac number, because 1963161 - 2³ = 1963153 is a prime.

It is a super-2 number, since 2×1963161² = 7708002223842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1963111) 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 11 ways as a sum of consecutive naturals, for example, 2650 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (237380).

2^1963161 is an apocalyptic number.

It is an amenable number.

1963161 is a deficient number, since it is larger than the sum of its proper divisors (885399).

1963161 is a wasteful number, since it uses less digits than its factorization.

1963161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1963161 is about 1401.1284737668. The cubic root of 1963161 is about 125.2137356616.

The spelling of 1963161 in words is "one million, nine hundred sixty-three thousand, one hundred sixty-one".