151661630 has 8 divisors (see below), whose sum is σ = 272990952. Its totient is φ = 60664648.

The previous prime is 151661599. The next prime is 151661633. The reversal of 151661630 is 36166151.

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

It is a junction number, because it is equal to n+sod(n) for n = 151661593 and 151661602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151661633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7583072 + ... + 7583091.

It is an arithmetic number, because the mean of its divisors is an integer number (34123869).

Almost surely, 2^151661630 is an apocalyptic number.

151661630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151661630 is a deficient number, since it is larger than the sum of its proper divisors (121329322).

151661630 is a wasteful number, since it uses less digits than its factorization.

151661630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166170.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 151661630 is about 12315.0976447611. The cubic root of 151661630 is about 533.2840236530.

The spelling of 151661630 in words is "one hundred fifty-one million, six hundred sixty-one thousand, six hundred thirty".