5464515169661 has 2 divisors, whose sum is σ = 5464515169662. Its totient is φ = 5464515169660.

The previous prime is 5464515169657. The next prime is 5464515169693. The reversal of 5464515169661 is 1669615154645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435952068900 + 1028563100761 = 2106170^2 + 1014181^2 .

It is a cyclic number.

It is not a de Polignac number, because 5464515169661 - 2² = 5464515169657 is a prime.

It is a super-2 number, since 2×5464515169661² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5464515169661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5464515169601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2732257584830 + 2732257584831.

It is an arithmetic number, because the mean of its divisors is an integer number (2732257584831).

Almost surely, 2^{5464515169661} is an apocalyptic number.

It is an amenable number.

5464515169661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5464515169661 is an equidigital number, since it uses as much as digits as its factorization.

5464515169661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328000, while the sum is 59.

The spelling of 5464515169661 in words is "five trillion, four hundred sixty-four billion, five hundred fifteen million, one hundred sixty-nine thousand, six hundred sixty-one".