1071661701 has 32 divisors (see below), whose sum is σ = 1629895680. Its totient is φ = 619977600.

The previous prime is 1071661699. The next prime is 1071661733.

1071661701 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1071661701 - 2¹ = 1071661699 is a prime.

It is a super-2 number, since 2×1071661701² = 2296917602780426802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071661751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468681 + ... + 470961.

It is an arithmetic number, because the mean of its divisors is an integer number (50934240).

Almost surely, 2^1071661701 is an apocalyptic number.

1071661701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1071661701 is a deficient number, since it is larger than the sum of its proper divisors (558233979).

1071661701 is a wasteful number, since it uses less digits than its factorization.

1071661701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 1071661701 is about 32736.2444547324. The cubic root of 1071661701 is about 1023.3383192387.

The spelling of 1071661701 in words is "one billion, seventy-one million, six hundred sixty-one thousand, seven hundred one".