61161266 has 8 divisors (see below), whose sum is σ = 96570480. Its totient is φ = 28971108.

The previous prime is 61161263. The next prime is 61161271. The reversal of 61161266 is 66216116.

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

It is not an unprimeable number, because it can be changed into a prime (61161263) 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, 804716 + ... + 804791.

It is an arithmetic number, because the mean of its divisors is an integer number (12071310).

Almost surely, 2^61161266 is an apocalyptic number.

61161266 is a deficient number, since it is larger than the sum of its proper divisors (35409214).

61161266 is a wasteful number, since it uses less digits than its factorization.

61161266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609528.

The product of its digits is 2592, while the sum is 29.

The square root of 61161266 is about 7820.5668592500. The cubic root of 61161266 is about 393.9963109586.

The spelling of 61161266 in words is "sixty-one million, one hundred sixty-one thousand, two hundred sixty-six".