61551106 has 8 divisors (see below), whose sum is σ = 94291200. Its totient is φ = 30120708.

The previous prime is 61551097. The next prime is 61551121. The reversal of 61551106 is 60115516.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327306 + ... + 327493.

It is an arithmetic number, because the mean of its divisors is an integer number (11786400).

Almost surely, 2^61551106 is an apocalyptic number.

61551106 is a deficient number, since it is larger than the sum of its proper divisors (32740094).

61551106 is a wasteful number, since it uses less digits than its factorization.

61551106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654848.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 61551106 is about 7845.4512935841. The cubic root of 61551106 is about 394.8316453944.

The spelling of 61551106 in words is "sixty-one million, five hundred fifty-one thousand, one hundred six".