1051166590 has 32 divisors (see below), whose sum is σ = 1921190400. Its totient is φ = 414048000.

The previous prime is 1051166561. The next prime is 1051166689. The reversal of 1051166590 is 956611501.

It is a super-2 number, since 2×1051166590² = 2209902399864456200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190186 + ... + 195634.

It is an arithmetic number, because the mean of its divisors is an integer number (60037200).

Almost surely, 2^1051166590 is an apocalyptic number.

1051166590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051166590 is a deficient number, since it is larger than the sum of its proper divisors (870023810).

1051166590 is a wasteful number, since it uses less digits than its factorization.

1051166590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1051166590 is about 32421.6993694038. The cubic root of 1051166590 is about 1016.7726358532.

The spelling of 1051166590 in words is "one billion, fifty-one million, one hundred sixty-six thousand, five hundred ninety".