890105450116 has 27 divisors (see below), whose sum is σ = 1609659105957. Its totient is φ = 430667881920.

The previous prime is 890105450099. The next prime is 890105450141. The reversal of 890105450116 is 611054501098.

The square root of 890105450116 is 943454.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 760436320900 + 129669129216 = 872030^2 + 360096^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58486540 + ... + 58501756.

Almost surely, 2^890105450116 is an apocalyptic number.

890105450116 is the 943454-th square number.

It is an amenable number.

890105450116 is a deficient number, since it is larger than the sum of its proper divisors (719553655841).

890105450116 is an frugal number, since it uses more digits than its factorization.

890105450116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30500 (or 15250 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 890105450116 in words is "eight hundred ninety billion, one hundred five million, four hundred fifty thousand, one hundred sixteen".