10065534990 has 64 divisors (see below), whose sum is σ = 27676062720. Its totient is φ = 2295048960.

The previous prime is 10065534979. The next prime is 10065535001. The reversal of 10065534990 is 9943556001.

It is an interprime number because it is at equal distance from previous prime (10065534979) and next prime (10065535001).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27295 + ... + 144485.

It is an arithmetic number, because the mean of its divisors is an integer number (432438480).

Almost surely, 2^10065534990 is an apocalyptic number.

10065534990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10065534990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13838031360).

10065534990 is an abundant number, since it is smaller than the sum of its proper divisors (17610527730).

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

10065534990 is a wasteful number, since it uses less digits than its factorization.

10065534990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117617.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 10065534990 in words is "ten billion, sixty-five million, five hundred thirty-four thousand, nine hundred ninety".