15610061620671 has 32 divisors (see below), whose sum is σ = 25187738250240. Its totient is φ = 8394741766656.

The previous prime is 15610061620663. The next prime is 15610061620721. The reversal of 15610061620671 is 17602616001651.

It is a happy number.

It is not a de Polignac number, because 15610061620671 - 2³ = 15610061620663 is a prime.

It is a super-2 number, since 2×15610061620671² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15610061620271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3625785 + ... + 6660813.

It is an arithmetic number, because the mean of its divisors is an integer number (787116820320).

Almost surely, 2^{15610061620671} is an apocalyptic number.

15610061620671 is a deficient number, since it is larger than the sum of its proper divisors (9577676629569).

15610061620671 is a wasteful number, since it uses less digits than its factorization.

15610061620671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049463.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 15610061620671 in words is "fifteen trillion, six hundred ten billion, sixty-one million, six hundred twenty thousand, six hundred seventy-one".