1051510664 has 8 divisors (see below), whose sum is σ = 1971582510. Its totient is φ = 525755328.

The previous prime is 1051510661. The next prime is 1051510687. The reversal of 1051510664 is 4660151501.

It can be written as a sum of positive squares in only one way, i.e., 924768100 + 126742564 = 30410^2 + 11258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1051510664² = 2211349353011441792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051510661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65719409 + ... + 65719424.

Almost surely, 2^1051510664 is an apocalyptic number.

It is an amenable number.

1051510664 is a deficient number, since it is larger than the sum of its proper divisors (920071846).

1051510664 is a wasteful number, since it uses less digits than its factorization.

1051510664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131438839 (or 131438835 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1051510664 is about 32427.0051654481. The cubic root of 1051510664 is about 1016.8835624076.

The spelling of 1051510664 in words is "one billion, fifty-one million, five hundred ten thousand, six hundred sixty-four".