116721770 has 16 divisors (see below), whose sum is σ = 229199328. Its totient is φ = 42444240.

The previous prime is 116721751. The next prime is 116721841. The reversal of 116721770 is 77127611.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530444 + ... + 530663.

It is an arithmetic number, because the mean of its divisors is an integer number (14324958).

Almost surely, 2^116721770 is an apocalyptic number.

116721770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116721770 is a deficient number, since it is larger than the sum of its proper divisors (112477558).

116721770 is a wasteful number, since it uses less digits than its factorization.

116721770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061125.

The product of its (nonzero) digits is 4116, while the sum is 32.

The square root of 116721770 is about 10803.7849849023. The cubic root of 116721770 is about 488.7093202058.

The spelling of 116721770 in words is "one hundred sixteen million, seven hundred twenty-one thousand, seven hundred seventy".