98161418 has 4 divisors (see below), whose sum is σ = 147242130. Its totient is φ = 49080708.

The previous prime is 98161409. The next prime is 98161423. The reversal of 98161418 is 81416189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81416189 = 67 ⋅1215167.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 12769 = 9907^2 + 113^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24540353 + ... + 24540356.

Almost surely, 2^98161418 is an apocalyptic number.

98161418 is a deficient number, since it is larger than the sum of its proper divisors (49080712).

98161418 is a wasteful number, since it uses less digits than its factorization.

98161418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49080711.

The product of its digits is 13824, while the sum is 38.

The square root of 98161418 is about 9907.6444223640. The cubic root of 98161418 is about 461.2966221237.

The spelling of 98161418 in words is "ninety-eight million, one hundred sixty-one thousand, four hundred eighteen".