90143416690 has 16 divisors (see below), whose sum is σ = 162271807128. Its totient is φ = 36054331776.

The previous prime is 90143416687. The next prime is 90143416697. The reversal of 90143416690 is 9661434109.

It can be written as a sum of positive squares in 4 ways, for example, as 65259300681 + 24884116009 = 255459^2 + 157747^2 .

It is a super-2 number, since 2×90143416690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90143416697) 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, 252597 + ... + 494056.

Almost surely, 2^90143416690 is an apocalyptic number.

90143416690 is a deficient number, since it is larger than the sum of its proper divisors (72128390438).

90143416690 is a wasteful number, since it uses less digits than its factorization.

90143416690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758733.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 90143416690 in words is "ninety billion, one hundred forty-three million, four hundred sixteen thousand, six hundred ninety".