10161538717787 has 8 divisors (see below), whose sum is σ = 10338891644400. Its totient is φ = 9984356573184.

The previous prime is 10161538717763. The next prime is 10161538717877. The reversal of 10161538717787 is 78771783516101.

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 10161538717787 - 2³⁸ = 9886660810843 is a prime.

It is a super-2 number, since 2×10161538717787² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10161538717747) 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, 42575462 + ... + 42813467.

It is an arithmetic number, because the mean of its divisors is an integer number (1292361455550).

Almost surely, 2^{10161538717787} is an apocalyptic number.

10161538717787 is a deficient number, since it is larger than the sum of its proper divisors (177352926613).

10161538717787 is an equidigital number, since it uses as much as digits as its factorization.

10161538717787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85391005.

The product of its (nonzero) digits is 13829760, while the sum is 62.

The spelling of 10161538717787 in words is "ten trillion, one hundred sixty-one billion, five hundred thirty-eight million, seven hundred seventeen thousand, seven hundred eighty-seven".