7661101 has 18 divisors (see below), whose sum is σ = 9484458. Its totient is φ = 6168960.

The previous prime is 7661099. The next prime is 7661111. The reversal of 7661101 is 1011667.

It can be written as a sum of positive squares in 3 ways, for example, as 2706025 + 4955076 = 1645^2 + 2226^2 .

It is not a de Polignac number, because 7661101 - 2¹ = 7661099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661111) 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 17 ways as a sum of consecutive naturals, for example, 13891 + ... + 14431.

Almost surely, 2^7661101 is an apocalyptic number.

It is an amenable number.

7661101 is a deficient number, since it is larger than the sum of its proper divisors (1823357).

7661101 is a wasteful number, since it uses less digits than its factorization.

7661101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 7661101 is about 2767.8693972079. The cubic root of 7661101 is about 197.1349964109.

Adding to 7661101 its reverse (1011667), we get a palindrome (8672768).

The spelling of 7661101 in words is "seven million, six hundred sixty-one thousand, one hundred one".