1671610151 has 4 divisors (see below), whose sum is σ = 1681865592. Its totient is φ = 1661354712.

The previous prime is 1671610147. The next prime is 1671610163. The reversal of 1671610151 is 1510161761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1510161761 = 23 ⋅65659207.

It is a cyclic number.

It is not a de Polignac number, because 1671610151 - 2² = 1671610147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671610121) 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, 5127476 + ... + 5127801.

It is an arithmetic number, because the mean of its divisors is an integer number (420466398).

Almost surely, 2^1671610151 is an apocalyptic number.

1671610151 is a deficient number, since it is larger than the sum of its proper divisors (10255441).

1671610151 is a wasteful number, since it uses less digits than its factorization.

1671610151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255440.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 1671610151 is about 40885.3292881444. The cubic root of 1671610151 is about 1186.8021741779.

It can be divided in two parts, 1671610 and 151, that added together give a palindrome (1671761).

The spelling of 1671610151 in words is "one billion, six hundred seventy-one million, six hundred ten thousand, one hundred fifty-one".