61163701 has 8 divisors (see below), whose sum is σ = 63170744. Its totient is φ = 59175360.

The previous prime is 61163699. The next prime is 61163723. The reversal of 61163701 is 10736116.

It is a happy number.

61163701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11122225 + 50041476 = 3335^2 + 7074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61163701 - 2¹ = 61163699 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 (61163741) 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 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 11263.

It is an arithmetic number, because the mean of its divisors is an integer number (7896343).

Almost surely, 2^61163701 is an apocalyptic number.

It is an amenable number.

61163701 is a deficient number, since it is larger than the sum of its proper divisors (2007043).

61163701 is a wasteful number, since it uses less digits than its factorization.

61163701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 61163701 is about 7820.7225369527. The cubic root of 61163701 is about 394.0015395853.

Adding to 61163701 its reverse (10736116), we get a palindrome (71899817).

The spelling of 61163701 in words is "sixty-one million, one hundred sixty-three thousand, seven hundred one".