7006151661 has 4 divisors (see below), whose sum is σ = 9341535552. Its totient is φ = 4670767772.

The previous prime is 7006151653. The next prime is 7006151681. The reversal of 7006151661 is 1661516007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7006151661 - 2³ = 7006151653 is a prime.

It is a super-2 number, since 2×7006151661² = 98172322193866117842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7006151681) 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, 1167691941 + ... + 1167691946.

It is an arithmetic number, because the mean of its divisors is an integer number (2335383888).

Almost surely, 2^7006151661 is an apocalyptic number.

It is an amenable number.

7006151661 is a deficient number, since it is larger than the sum of its proper divisors (2335383891).

7006151661 is a wasteful number, since it uses less digits than its factorization.

7006151661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335383890.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 7006151661 is about 83702.7577861088. The cubic root of 7006151661 is about 1913.4913855651.

Adding to 7006151661 its reverse (1661516007), we get a palindrome (8667667668).

The spelling of 7006151661 in words is "seven billion, six million, one hundred fifty-one thousand, six hundred sixty-one".