10161554634 has 72 divisors (see below), whose sum is σ = 27939588768. Its totient is φ = 2639362320.

The previous prime is 10161554633. The next prime is 10161554639. The reversal of 10161554634 is 43645516101.

10161554634 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 15 + 5 + 4 + 634 = 666.

It is a super-4 number, since 4×10161554634⁴ (a number of 41 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10161554633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 513982 + ... + 533385.

It is an arithmetic number, because the mean of its divisors is an integer number (388049844).

Almost surely, 2^10161554634 is an apocalyptic number.

10161554634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10161554634 is an abundant number, since it is smaller than the sum of its proper divisors (17778034134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10161554634 is a wasteful number, since it uses less digits than its factorization.

10161554634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047400 (or 1047390 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 10161554634 in words is "ten billion, one hundred sixty-one million, five hundred fifty-four thousand, six hundred thirty-four".