61667060 has 96 divisors (see below), whose sum is σ = 164677632. Its totient is φ = 18869760.

The previous prime is 61667059. The next prime is 61667063. The reversal of 61667060 is 6076616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61667063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55874 + ... + 56966.

It is an arithmetic number, because the mean of its divisors is an integer number (1715392).

Almost surely, 2^61667060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61667060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82338816).

61667060 is an abundant number, since it is smaller than the sum of its proper divisors (103010572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61667060 is a wasteful number, since it uses less digits than its factorization.

61667060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 61667060 is about 7852.8377036585. The cubic root of 61667060 is about 395.0794264250.

It can be divided in two parts, 616 and 67060, that added together give a palindrome (67676).

The spelling of 61667060 in words is "sixty-one million, six hundred sixty-seven thousand, sixty".