118649554 has 8 divisors (see below), whose sum is σ = 178878348. Its totient is φ = 59023440.

The previous prime is 118649543. The next prime is 118649567. The reversal of 118649554 is 455946811.

It can be written as a sum of positive squares in 2 ways, for example, as 79299025 + 39350529 = 8905^2 + 6273^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 118649554.

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 3 ways as a sum of consecutive naturals, for example, 150177 + ... + 150964.

Almost surely, 2^118649554 is an apocalyptic number.

118649554 is a deficient number, since it is larger than the sum of its proper divisors (60228794).

118649554 is a wasteful number, since it uses less digits than its factorization.

118649554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301340.

The product of its digits is 172800, while the sum is 43.

The square root of 118649554 is about 10892.6376052818. The cubic root of 118649554 is about 491.3851602099.

The spelling of 118649554 in words is "one hundred eighteen million, six hundred forty-nine thousand, five hundred fifty-four".