3655116061 has 4 divisors (see below), whose sum is σ = 3681412000. Its totient is φ = 3628820124.

The previous prime is 3655116037. The next prime is 3655116071. The reversal of 3655116061 is 1606115563.

3655116061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1606115563 = 13 ⋅123547351.

It is a cyclic number.

It is not a de Polignac number, because 3655116061 - 2²⁷ = 3520898333 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 (3655116071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13147761 + ... + 13148038.

It is an arithmetic number, because the mean of its divisors is an integer number (920353000).

Almost surely, 2^3655116061 is an apocalyptic number.

It is an amenable number.

3655116061 is a deficient number, since it is larger than the sum of its proper divisors (26295939).

3655116061 is a wasteful number, since it uses less digits than its factorization.

3655116061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26295938.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 3655116061 is about 60457.5558635974. Note that the first 3 decimals coincide. The cubic root of 3655116061 is about 1540.4007588307.

It can be divided in two parts, 3655 and 116061, that added together give a square (119716 = 346²).

The spelling of 3655116061 in words is "three billion, six hundred fifty-five million, one hundred sixteen thousand, sixty-one".