2641161406 has 12 divisors (see below), whose sum is σ = 4289934312. Its totient is φ = 1218997416.

The previous prime is 2641161403. The next prime is 2641161449. The reversal of 2641161406 is 6041611462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641161403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3906706 + ... + 3907381.

It is an arithmetic number, because the mean of its divisors is an integer number (357494526).

Almost surely, 2^2641161406 is an apocalyptic number.

2641161406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2641161406 is a deficient number, since it is larger than the sum of its proper divisors (1648772906).

2641161406 is a wasteful number, since it uses less digits than its factorization.

2641161406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814115 (or 7814102 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2641161406 is about 51392.2309887399. The cubic root of 2641161406 is about 1382.2872881832.

Adding to 2641161406 its reverse (6041611462), we get a palindrome (8682772868).

The spelling of 2641161406 in words is "two billion, six hundred forty-one million, one hundred sixty-one thousand, four hundred six".