1010166551 has 4 divisors (see below), whose sum is σ = 1019106192. Its totient is φ = 1001226912.

The previous prime is 1010166529. The next prime is 1010166587. The reversal of 1010166551 is 1556610101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010166551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010166551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010166511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4469651 + ... + 4469876.

It is an arithmetic number, because the mean of its divisors is an integer number (254776548).

Almost surely, 2^1010166551 is an apocalyptic number.

1010166551 is a deficient number, since it is larger than the sum of its proper divisors (8939641).

1010166551 is an equidigital number, since it uses as much as digits as its factorization.

1010166551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939640.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1010166551 is about 31783.1173895828. The cubic root of 1010166551 is about 1003.3774304547.

Adding to 1010166551 its reverse (1556610101), we get a palindrome (2566776652).

The spelling of 1010166551 in words is "one billion, ten million, one hundred sixty-six thousand, five hundred fifty-one".