1615673507052 has 144 divisors (see below), whose sum is σ = 4210751825280. Its totient is φ = 481702974720.

The previous prime is 1615673507051. The next prime is 1615673507093. The reversal of 1615673507052 is 2507053765161.

It is a super-2 number, since 2×1615673507052² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1615673506992 and 1615673507010.

It is not an unprimeable number, because it can be changed into a prime (1615673507051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83362699 + ... + 83382077.

It is an arithmetic number, because the mean of its divisors is an integer number (29241332120).

Almost surely, 2^{1615673507052} is an apocalyptic number.

1615673507052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1615673507052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105375912640).

1615673507052 is an abundant number, since it is smaller than the sum of its proper divisors (2595078318228).

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

1615673507052 is a wasteful number, since it uses less digits than its factorization.

1615673507052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332 (or 20319 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 48.

The spelling of 1615673507052 in words is "one trillion, six hundred fifteen billion, six hundred seventy-three million, five hundred seven thousand, fifty-two".