16157743602 has 256 divisors, whose sum is σ = 48364646400. Its totient is φ = 3453788160.

The previous prime is 16157743579. The next prime is 16157743603. The reversal of 16157743602 is 20634775161.

It is a happy number.

It is a super-2 number, since 2×16157743602² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (16157743603) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1935774 + ... + 1944102.

It is an arithmetic number, because the mean of its divisors is an integer number (188924400).

Almost surely, 2^16157743602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16157743602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24182323200).

16157743602 is an abundant number, since it is smaller than the sum of its proper divisors (32206902798).

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

16157743602 is a wasteful number, since it uses less digits than its factorization.

16157743602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 16157743602 in words is "sixteen billion, one hundred fifty-seven million, seven hundred forty-three thousand, six hundred two".