61166480 has 40 divisors (see below), whose sum is σ = 144633600. Its totient is φ = 24050048.

The previous prime is 61166477. The next prime is 61166489. The reversal of 61166480 is 8466116.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (61166489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760 + ... + 11199.

It is an arithmetic number, because the mean of its divisors is an integer number (3615840).

Almost surely, 2^61166480 is an apocalyptic number.

It is an amenable number.

61166480 is an abundant number, since it is smaller than the sum of its proper divisors (83467120).

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

61166480 is a wasteful number, since it uses less digits than its factorization.

61166480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031 (or 13025 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 61166480 is about 7820.9002039407. The cubic root of 61166480 is about 394.0075067068.

The spelling of 61166480 in words is "sixty-one million, one hundred sixty-six thousand, four hundred eighty".