1016443901 has 8 divisors (see below), whose sum is σ = 1119827808. Its totient is φ = 914890000.

The previous prime is 1016443873. The next prime is 1016443907. The reversal of 1016443901 is 1093446101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1016443901 - 2¹⁰ = 1016442877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016443907) 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, 456335 + ... + 458556.

It is an arithmetic number, because the mean of its divisors is an integer number (139978476).

Almost surely, 2^1016443901 is an apocalyptic number.

1016443901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1016443901 is a deficient number, since it is larger than the sum of its proper divisors (103383907).

1016443901 is a wasteful number, since it uses less digits than its factorization.

1016443901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915003.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1016443901 is about 31881.7173470941. The cubic root of 1016443901 is about 1005.4515271798.

The spelling of 1016443901 in words is "one billion, sixteen million, four hundred forty-three thousand, nine hundred one".