2961650181015 has 128 divisors (see below), whose sum is σ = 5473380971520. Its totient is φ = 1518294564864.

The previous prime is 2961650180987. The next prime is 2961650181037. The reversal of 2961650181015 is 5101810561692.

2961650181015 is a `hidden beast` number, since 2 + 9 + 61 + 6 + 501 + 81 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 2961650181015 - 2⁸ = 2961650180759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 473330767 + ... + 473337023.

It is an arithmetic number, because the mean of its divisors is an integer number (42760788840).

Almost surely, 2^{2961650181015} is an apocalyptic number.

2961650181015 is a deficient number, since it is larger than the sum of its proper divisors (2511730790505).

2961650181015 is a wasteful number, since it uses less digits than its factorization.

2961650181015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598 (or 7592 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 2961650181015 in words is "two trillion, nine hundred sixty-one billion, six hundred fifty million, one hundred eighty-one thousand, fifteen".