151651602 has 40 divisors (see below), whose sum is σ = 342342396. Its totient is φ = 50174208.

The previous prime is 151651573. The next prime is 151651613. The reversal of 151651602 is 206156151.

It is a happy number.

151651602 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 51 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147403881 + 4247721 = 12141^2 + 2061^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18778 + ... + 25610.

Almost surely, 2^151651602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151651602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171171198).

151651602 is an abundant number, since it is smaller than the sum of its proper divisors (190690794).

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

151651602 is a wasteful number, since it uses less digits than its factorization.

151651602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 151651602 is about 12314.6904955017. The cubic root of 151651602 is about 533.2722696581.

The spelling of 151651602 in words is "one hundred fifty-one million, six hundred fifty-one thousand, six hundred two".