62101661 has 2 divisors, whose sum is σ = 62101662. Its totient is φ = 62101660.

The previous prime is 62101621. The next prime is 62101717. The reversal of 62101661 is 16610126.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 15452761 = 6830^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 62101661 - 2⁶ = 62101597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62101621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31050830 + 31050831.

It is an arithmetic number, because the mean of its divisors is an integer number (31050831).

Almost surely, 2^62101661 is an apocalyptic number.

It is an amenable number.

62101661 is a deficient number, since it is larger than the sum of its proper divisors (1).

62101661 is an equidigital number, since it uses as much as digits as its factorization.

62101661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 62101661 is about 7880.4607098824. The cubic root of 62101661 is about 396.0053671517.

Adding to 62101661 its reverse (16610126), we get a palindrome (78711787).

The spelling of 62101661 in words is "sixty-two million, one hundred one thousand, six hundred sixty-one".