10161561615061 has 16 divisors (see below), whose sum is σ = 11022109620480. Its totient is φ = 9330231006720.

The previous prime is 10161561615013. The next prime is 10161561615091. The reversal of 10161561615061 is 16051616516101.

It is not a de Polignac number, because 10161561615061 - 2¹¹ = 10161561613013 is a prime.

It is a super-2 number, since 2×10161561615061² (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 (10161561615091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20849620 + ... + 21331426.

It is an arithmetic number, because the mean of its divisors is an integer number (688881851280).

Almost surely, 2^{10161561615061} is an apocalyptic number.

It is an amenable number.

10161561615061 is a deficient number, since it is larger than the sum of its proper divisors (860548005419).

10161561615061 is a wasteful number, since it uses less digits than its factorization.

10161561615061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512124.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 10161561615061 in words is "ten trillion, one hundred sixty-one billion, five hundred sixty-one million, six hundred fifteen thousand, sixty-one".