2161663035 has 64 divisors (see below), whose sum is σ = 4043520000. Its totient is φ = 965652480.

The previous prime is 2161663001. The next prime is 2161663037. The reversal of 2161663035 is 5303661612.

It is not a de Polignac number, because 2161663035 - 2¹⁰ = 2161662011 is a prime.

It is a super-2 number, since 2×2161663035² = 9345574153770822450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2161662987 and 2161663005.

It is not an unprimeable number, because it can be changed into a prime (2161663037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1730091 + ... + 1731339.

It is an arithmetic number, because the mean of its divisors is an integer number (63180000).

Almost surely, 2^2161663035 is an apocalyptic number.

2161663035 is a deficient number, since it is larger than the sum of its proper divisors (1881856965).

2161663035 is a wasteful number, since it uses less digits than its factorization.

2161663035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 2161663035 is about 46493.6881200018. The cubic root of 2161663035 is about 1292.9924789421.

The spelling of 2161663035 in words is "two billion, one hundred sixty-one million, six hundred sixty-three thousand, thirty-five".