2002196511 has 48 divisors (see below), whose sum is σ = 3436992000. Its totient is φ = 1098909504.

The previous prime is 2002196507. The next prime is 2002196543. The reversal of 2002196511 is 1156912002.

2002196511 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 1 + 9 + 651 + 1 = 666.

It is not a de Polignac number, because 2002196511 - 2² = 2002196507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002196551) 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, 360820 + ... + 366326.

It is an arithmetic number, because the mean of its divisors is an integer number (71604000).

Almost surely, 2^2002196511 is an apocalyptic number.

2002196511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2002196511 is a deficient number, since it is larger than the sum of its proper divisors (1434795489).

2002196511 is a wasteful number, since it uses less digits than its factorization.

2002196511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748 (or 5745 counting only the distinct ones).

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

The square root of 2002196511 is about 44745.9105505743. The cubic root of 2002196511 is about 1260.3821195528.

The spelling of 2002196511 in words is "two billion, two million, one hundred ninety-six thousand, five hundred eleven".