1701456661 has 4 divisors (see below), whose sum is σ = 1704087072. Its totient is φ = 1698826252.

The previous prime is 1701456649. The next prime is 1701456677. The reversal of 1701456661 is 1666541071.

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 1701456661 - 2¹⁷ = 1701325589 is a prime.

It is a super-2 number, since 2×1701456661² = 5789909538522537842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1701456661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1701456641) 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, 1314235 + ... + 1315528.

It is an arithmetic number, because the mean of its divisors is an integer number (426021768).

Almost surely, 2^1701456661 is an apocalyptic number.

It is an amenable number.

1701456661 is a deficient number, since it is larger than the sum of its proper divisors (2630411).

1701456661 is an equidigital number, since it uses as much as digits as its factorization.

1701456661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630410.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1701456661 is about 41248.7170830803. The cubic root of 1701456661 is about 1193.8239770461.

The spelling of 1701456661 in words is "one billion, seven hundred one million, four hundred fifty-six thousand, six hundred sixty-one".