103615161644 has 24 divisors (see below), whose sum is σ = 189311629920. Its totient is φ = 49528537344.

The previous prime is 103615161641. The next prime is 103615161649. The reversal of 103615161644 is 446161516301.

It is a super-4 number, since 4×103615161644⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a junction number, because it is equal to n+sod(n) for n = 103615161598 and 103615161607.

It is not an unprimeable number, because it can be changed into a prime (103615161641) 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, 128339 + ... + 472970.

It is an arithmetic number, because the mean of its divisors is an integer number (7887984580).

Almost surely, 2^103615161644 is an apocalyptic number.

It is an amenable number.

103615161644 is a deficient number, since it is larger than the sum of its proper divisors (85696468276).

103615161644 is a wasteful number, since it uses less digits than its factorization.

103615161644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603209 (or 603207 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 103615161644 its reverse (446161516301), we get a palindrome (549776677945).

The spelling of 103615161644 in words is "one hundred three billion, six hundred fifteen million, one hundred sixty-one thousand, six hundred forty-four".