2201161200651 has 64 divisors (see below), whose sum is σ = 3847455744000. Its totient is φ = 1217104963200.

The previous prime is 2201161200629. The next prime is 2201161200661. The reversal of 2201161200651 is 1560021611022.

2201161200651 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 1 + 6 + 1 + 2 + 0 + 0 + 651 = 666.

It is not a de Polignac number, because 2201161200651 - 2¹⁴ = 2201161184267 is a prime.

It is a super-2 number, since 2×2201161200651² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2201161200661) 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, 97605525 + ... + 97628073.

It is an arithmetic number, because the mean of its divisors is an integer number (60116496000).

Almost surely, 2^{2201161200651} is an apocalyptic number.

2201161200651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2201161200651 is a deficient number, since it is larger than the sum of its proper divisors (1646294543349).

2201161200651 is a wasteful number, since it uses less digits than its factorization.

2201161200651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39257 (or 39251 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 2201161200651 its reverse (1560021611022), we get a palindrome (3761182811673).

The spelling of 2201161200651 in words is "two trillion, two hundred one billion, one hundred sixty-one million, two hundred thousand, six hundred fifty-one".