1010155663 has 16 divisors (see below), whose sum is σ = 1137175200. Its totient is φ = 889331200.

The previous prime is 1010155661. The next prime is 1010155667. The reversal of 1010155663 is 3665510101.

1010155663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1010155663 - 2¹ = 1010155661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010155661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53613 + ... + 69961.

It is an arithmetic number, because the mean of its divisors is an integer number (71073450).

Almost surely, 2^1010155663 is an apocalyptic number.

1010155663 is a deficient number, since it is larger than the sum of its proper divisors (127019537).

1010155663 is a wasteful number, since it uses less digits than its factorization.

1010155663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16538.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1010155663 is about 31782.9461032171. The cubic root of 1010155663 is about 1003.3738255004.

Adding to 1010155663 its reverse (3665510101), we get a palindrome (4675665764).

The spelling of 1010155663 in words is "one billion, ten million, one hundred fifty-five thousand, six hundred sixty-three".