201151651602 has 64 divisors (see below), whose sum is σ = 444574863360. Its totient is φ = 60164083200.

The previous prime is 201151651577. The next prime is 201151651633. The reversal of 201151651602 is 206156151102.

It is a self number, because there is not a number n which added to its sum of digits gives 201151651602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31870027 + ... + 31876337.

It is an arithmetic number, because the mean of its divisors is an integer number (6946482240).

Almost surely, 2^201151651602 is an apocalyptic number.

201151651602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201151651602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222287431680).

201151651602 is an abundant number, since it is smaller than the sum of its proper divisors (243423211758).

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

201151651602 is a wasteful number, since it uses less digits than its factorization.

201151651602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 201151651602 in words is "two hundred one billion, one hundred fifty-one million, six hundred fifty-one thousand, six hundred two".