61062661 has 16 divisors (see below), whose sum is σ = 69963840. Its totient is φ = 52778880.

The previous prime is 61062643. The next prime is 61062671. The reversal of 61062661 is 16626016.

It is not a de Polignac number, because 61062661 - 2⁵ = 61062629 is a prime.

It is a super-3 number, since 3×61062661³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61062611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19945 + ... + 22801.

It is an arithmetic number, because the mean of its divisors is an integer number (4372740).

Almost surely, 2^61062661 is an apocalyptic number.

It is an amenable number.

61062661 is a deficient number, since it is larger than the sum of its proper divisors (8901179).

61062661 is a wasteful number, since it uses less digits than its factorization.

61062661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 61062661 is about 7814.2601057298. The cubic root of 61062661 is about 393.7844617188.

Adding to 61062661 its reverse (16626016), we get a palindrome (77688677).

The spelling of 61062661 in words is "sixty-one million, sixty-two thousand, six hundred sixty-one".