1016463634065 has 48 divisors (see below), whose sum is σ = 1922562008640. Its totient is φ = 492697088640.

The previous prime is 1016463634061. The next prime is 1016463634189. The reversal of 1016463634065 is 5604363646101.

1016463634065 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 4 + 6 + 3 + 634 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 1016463634065 - 2² = 1016463634061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1016463634065.

It is not an unprimeable number, because it can be changed into a prime (1016463634061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1559134 + ... + 2112776.

It is an arithmetic number, because the mean of its divisors is an integer number (40053375180).

Almost surely, 2^{1016463634065} is an apocalyptic number.

1016463634065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016463634065 is a deficient number, since it is larger than the sum of its proper divisors (906098374575).

1016463634065 is a wasteful number, since it uses less digits than its factorization.

1016463634065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557374 (or 557371 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 1016463634065 in words is "one trillion, sixteen billion, four hundred sixty-three million, six hundred thirty-four thousand, sixty-five".