151606501 has 8 divisors (see below), whose sum is σ = 162474624. Its totient is φ = 141094800.

The previous prime is 151606489. The next prime is 151606549. The reversal of 151606501 is 105606151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151606501 is a prime.

It is a super-2 number, since 2×151606501² = 45969062290926002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151606601) 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, 88225 + ... + 89926.

It is an arithmetic number, because the mean of its divisors is an integer number (20309328).

Almost surely, 2^151606501 is an apocalyptic number.

It is an amenable number.

151606501 is a deficient number, since it is larger than the sum of its proper divisors (10868123).

151606501 is a wasteful number, since it uses less digits than its factorization.

151606501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178211.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 151606501 is about 12312.8591724262. The cubic root of 151606501 is about 533.2193995775.

The spelling of 151606501 in words is "one hundred fifty-one million, six hundred six thousand, five hundred one".