61850118 has 24 divisors (see below), whose sum is σ = 135969624. Its totient is φ = 18742240.

The previous prime is 61850101. The next prime is 61850119. The reversal of 61850118 is 81105816.

It is a happy number.

61850118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61850118² = 7650874193227848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61850119) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 41871 + ... + 43322.

It is an arithmetic number, because the mean of its divisors is an integer number (5665401).

Almost surely, 2^61850118 is an apocalyptic number.

61850118 is an abundant number, since it is smaller than the sum of its proper divisors (74119506).

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

61850118 is a wasteful number, since it uses less digits than its factorization.

61850118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85220 (or 85209 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 61850118 is about 7864.4845984972. The cubic root of 61850118 is about 395.4699699049.

The spelling of 61850118 in words is "sixty-one million, eight hundred fifty thousand, one hundred eighteen".