361651101661 has 8 divisors (see below), whose sum is σ = 361843962048. Its totient is φ = 361458300000.

The previous prime is 361651101649. The next prime is 361651101667. The reversal of 361651101661 is 166101156163.

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 361651101661 - 2¹¹ = 361651099613 is a prime.

It is a super-2 number, since 2×361651101661² (a number of 24 digits) 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 361651101661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361651101667) 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, 17210161 + ... + 17231161.

It is an arithmetic number, because the mean of its divisors is an integer number (45230495256).

Almost surely, 2^361651101661 is an apocalyptic number.

It is an amenable number.

361651101661 is a deficient number, since it is larger than the sum of its proper divisors (192860387).

361651101661 is a wasteful number, since it uses less digits than its factorization.

361651101661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 361651101661 in words is "three hundred sixty-one billion, six hundred fifty-one million, one hundred one thousand, six hundred sixty-one".