1051660100 has 36 divisors (see below), whose sum is σ = 2298550800. Its totient is φ = 417632160.

The previous prime is 1051660067. The next prime is 1051660111. The reversal of 1051660100 is 10661501.

It is a happy number.

It is a super-2 number, since 2×1051660100² = 2211977931864020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23930 + ... + 51729.

Almost surely, 2^1051660100 is an apocalyptic number.

1051660100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051660100 is an abundant number, since it is smaller than the sum of its proper divisors (1246890700).

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

1051660100 is a wasteful number, since it uses less digits than its factorization.

1051660100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75812 (or 75805 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1051660100 is about 32429.3092741736. The cubic root of 1051660100 is about 1016.9317317761.

The spelling of 1051660100 in words is "one billion, fifty-one million, six hundred sixty thousand, one hundred".