62601661 has 8 divisors (see below), whose sum is σ = 64029240. Its totient is φ = 61189632.

The previous prime is 62601647. The next prime is 62601689. The reversal of 62601661 is 16610626.

It can be written as a sum of positive squares in 4 ways, for example, as 3404025 + 59197636 = 1845^2 + 7694^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 62601661 - 2¹¹ = 62599613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62601611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (8003655).

Almost surely, 2^62601661 is an apocalyptic number.

It is an amenable number.

62601661 is a deficient number, since it is larger than the sum of its proper divisors (1427579).

62601661 is a wasteful number, since it uses less digits than its factorization.

62601661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 62601661 is about 7912.1211441686. The cubic root of 62601661 is about 397.0653154722.

It can be divided in two parts, 6260 and 1661, that added together give a square (7921 = 89²).

The spelling of 62601661 in words is "sixty-two million, six hundred one thousand, six hundred sixty-one".