98161066 has 16 divisors (see below), whose sum is σ = 153347328. Its totient is φ = 47073600.

The previous prime is 98161039. The next prime is 98161067. The reversal of 98161066 is 66016189.

98161066 = T₄₂₀ + T₄₂₁ + ... + T₈₇₁.

98161066 is a nontrivial binomial coefficient, being equal to C(14012, 2).

It is not an unprimeable number, because it can be changed into a prime (98161067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 14011.

It is an arithmetic number, because the mean of its divisors is an integer number (9584208).

Almost surely, 2^98161066 is an apocalyptic number.

98161066 is the 14011-st triangular number and also the 7006-th hexagonal number.

98161066 is the 4671-st centered nonagonal number.

98161066 is a deficient number, since it is larger than the sum of its proper divisors (55186262).

98161066 is a wasteful number, since it uses less digits than its factorization.

98161066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 98161066 is about 9907.6266582870. The cubic root of 98161066 is about 461.2960707306.

The spelling of 98161066 in words is "ninety-eight million, one hundred sixty-one thousand, sixty-six".